PHP Warning after New Job Creation

Hi there ??

There is such warning after New Job creation:

Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /MYSECRET/wp-content/plugins/my-wp-backup/src/Admin/Job.php on line 614

Warning: Cannot modify header information - headers already sent by (output started at /MYSECRET/wp-content/plugins/my-wp-backup/src/Admin/Job.php:614) in /MYSECRET/wp-includes/pluggable.php on line 1196

wp-admin/admin-post.php
wp-load.php
wp-config.php
wp-settings.php
wp-includes/load.php
wp-includes/default-constants.php
wp-includes/version.php
wp-content/advanced-cache.php
wp-content/plugins/w3-total-cache/inc/define.php
wp-content/plugins/w3-total-cache/inc/functions/compat.php
wp-content/plugins/w3-total-cache/inc/functions/plugin.php
wp-content/plugins/w3-total-cache/lib/W3/Redirect.php
wp-content/plugins/w3-total-cache/lib/W3/Config.php
wp-content/plugins/w3-total-cache/lib/W3/ConfigBase.php
wp-content/plugins/w3-total-cache/lib/W3/ConfigAdmin.php
wp-content/plugins/w3-total-cache/lib/W3/ConfigData.php
wp-content/plugins/w3-total-cache/lib/W3/ConfigKeys.php
wp-content/plugins/w3-total-cache/lib/W3/ConfigWriter.php
wp-content/plugins/w3-total-cache/inc/functions/file.php
wp-includes/compat.php
wp-includes/functions.php
wp-includes/option.php
wp-includes/class-wp.php
wp-includes/class-wp-error.php
wp-includes/plugin.php
wp-includes/pomo/mo.php
wp-includes/pomo/translations.php
wp-includes/pomo/entry.php
wp-includes/pomo/streams.php
wp-includes/wp-db.php
wp-includes/cache.php
wp-includes/default-filters.php
wp-includes/l10n.php
wp-includes/class-wp-walker.php
wp-includes/class-wp-ajax-response.php
wp-includes/formatting.php
wp-includes/capabilities.php
wp-includes/query.php
wp-includes/date.php
wp-includes/theme.php
wp-includes/class-wp-theme.php
wp-includes/template.php
wp-includes/user.php
wp-includes/session.php
wp-includes/meta.php
wp-includes/general-template.php
wp-includes/link-template.php
wp-includes/author-template.php
wp-includes/post.php
wp-includes/post-template.php
wp-includes/revision.php
wp-includes/post-formats.php
wp-includes/post-thumbnail-template.php
wp-includes/category.php
wp-includes/category-template.php
wp-includes/comment.php
wp-includes/comment-template.php
wp-includes/rewrite.php
wp-includes/feed.php
wp-includes/bookmark.php
wp-includes/bookmark-template.php
wp-includes/kses.php
wp-includes/cron.php
wp-includes/deprecated.php
wp-includes/script-loader.php
wp-includes/class.wp-dependencies.php
wp-includes/class.wp-scripts.php
wp-includes/functions.wp-scripts.php
wp-includes/class.wp-styles.php
wp-includes/functions.wp-styles.php
wp-includes/taxonomy.php
wp-includes/update.php
wp-includes/canonical.php
wp-includes/shortcodes.php
wp-includes/class-wp-embed.php
wp-includes/media.php
wp-includes/http.php
wp-includes/class-http.php
wp-includes/widgets.php
wp-includes/nav-menu.php
wp-includes/nav-menu-template.php
wp-includes/admin-bar.php
wp-includes/vars.php
wp-content/plugins/async-javascript/async-javascript.php
wp-content/plugins/better-plugin-compatibility-control/better-plugin-compatibility-control.php
wp-content/plugins/contact-form-7/wp-contact-form-7.php
wp-content/plugins/contact-form-7/settings.php
wp-content/plugins/contact-form-7/includes/functions.php
wp-content/plugins/contact-form-7/includes/formatting.php
wp-content/plugins/contact-form-7/includes/pipe.php
wp-content/plugins/contact-form-7/includes/shortcodes.php
wp-content/plugins/contact-form-7/includes/capabilities.php
wp-content/plugins/contact-form-7/includes/contact-form-template.php
wp-content/plugins/contact-form-7/includes/contact-form.php
wp-content/plugins/contact-form-7/includes/mail.php
wp-content/plugins/contact-form-7/includes/submission.php
wp-content/plugins/contact-form-7/includes/upgrade.php
wp-content/plugins/contact-form-7/includes/integration.php
wp-content/plugins/contact-form-7/admin/admin.php
wp-content/plugins/contact-form-7/admin/includes/admin-functions.php
wp-content/plugins/contact-form-7/admin/includes/help-tabs.php
wp-content/plugins/contact-form-7/admin/includes/tag-generator.php
wp-content/plugins/content-aware-sidebars/content-aware-sidebars.php
wp-content/plugins/content-aware-sidebars//walker.php
wp-content/plugins/content-aware-sidebars/walker.php
wp-content/plugins/content-aware-sidebars//update_db.php
wp-content/plugins/content-aware-sidebars/update_db.php
wp-content/plugins/ewww-image-optimizer/ewww-image-optimizer.php
wp-content/plugins/ewww-image-optimizer/common.php
wp-content/plugins/google-analytics-dashboard-for-wp/gadwp.php
wp-content/plugins/google-analytics-dashboard-for-wp/tools/tools.php
wp-content/plugins/google-analytics-dashboard-for-wp/config.php
wp-content/plugins/google-analytics-dashboard-for-wp/tools/gapi.php
wp-content/plugins/google-analytics-dashboard-for-wp/install/install.php
wp-content/plugins/google-analytics-dashboard-for-wp/install/uninstall.php
wp-content/plugins/google-analytics-dashboard-for-wp/front/widgets.php
wp-content/plugins/google-pagespeed-insights/google-pagespeed-insights.php
wp-content/plugins/google-pagespeed-insights/core/init.php
wp-content/plugins/google-pagespeed-insights/core/admin.php
wp-admin/includes/class-wp-list-table.php
wp-content/plugins/google-sitemap-generator/sitemap.php
wp-content/plugins/google-sitemap-generator/sitemap-loader.php
wp-content/plugins/my-wp-backup/my-wp-backup.php
wp-content/plugins/my-wp-backup/vendor/autoload.php
wp-content/plugins/my-wp-backup/vendor/composer/autoload_real.php
wp-content/plugins/my-wp-backup/vendor/composer/ClassLoader.php
wp-content/plugins/my-wp-backup/vendor/composer/autoload_namespaces.php
wp-content/plugins/my-wp-backup/vendor/composer/autoload_psr4.php
wp-content/plugins/my-wp-backup/vendor/composer/autoload_classmap.php
wp-content/plugins/my-wp-backup/vendor/composer/autoload_files.php
wp-content/plugins/my-wp-backup/vendor/swiftmailer/swiftmailer/lib/swift_required.php
wp-content/plugins/my-wp-backup/vendor/swiftmailer/swiftmailer/lib/classes/Swift.php
wp-content/plugins/my-wp-backup/src/util.php
wp-content/plugins/slate-admin-theme/slate-admin-theme.php
wp-content/plugins/w3-total-cache/w3-total-cache.php
wp-content/plugins/w3-total-cache/lib/EDD/integration.php
wp-content/plugins/w3-total-cache/lib/W3/Root.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin/TotalCache.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin/BrowserCache.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin/TotalCacheAdmin.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin/NewRelicAdmin.php
wp-content/plugins/w3-total-cache/inc/functions/rule.php
wp-content/plugins/w3-total-cache/inc/functions/rule_cut.php
wp-content/plugins/w3-total-cache/lib/W3/Widget/Services.php
wp-content/plugins/w3-total-cache/inc/functions/widgets.php
wp-content/plugins/w3-total-cache/lib/W3/Widget/SpreadTheWord.php
wp-content/plugins/w3-total-cache/lib/W3/Widget/News.php
wp-content/plugins/w3-total-cache/lib/W3/Widget/Forum.php
wp-content/plugins/w3-total-cache/lib/W3/Widget/MaxCDN.php
wp-content/plugins/w3-total-cache/lib/W3/Widget/NewRelic.php
wp-content/plugins/w3-total-cache/lib/W3/Widget/PageSpeed.php
wp-content/plugins/w3-total-cache/lib/W3/AdminCompatibility.php
wp-content/plugins/w3-total-cache/lib/W3/Licensing.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin/DefaultSettings.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin/ExtensionsAdmin.php
wp-content/plugins/w3-total-cache/lib/W3/Plugin/NotificationsAdmin.php
wp-content/plugins/w3-total-cache/inc/functions/admin.php
wp-content/plugins/w3-total-cache/lib/W3/Request.php
wp-content/plugins/w3-total-cache/lib/W3/NewRelicService.php
wp-content/plugins/w3-total-cache/lib/NewRelic/NewRelicWrapper.php
wp-content/plugins/w3-total-cache/inc/functions/admin_ui.php
wp-content/plugins/whats-running/wp-requires.php
wp-content/plugins/woocommerce/woocommerce.php
wp-content/plugins/woocommerce/includes/class-wc-autoloader.php
wp-content/plugins/woocommerce/includes/wc-core-functions.php
wp-content/plugins/woocommerce/includes/wc-conditional-functions.php
wp-content/plugins/woocommerce/includes/wc-coupon-functions.php
wp-content/plugins/woocommerce/includes/wc-user-functions.php
wp-content/plugins/woocommerce/includes/wc-deprecated-functions.php
wp-content/plugins/woocommerce/includes/wc-formatting-functions.php
wp-content/plugins/woocommerce/includes/wc-order-functions.php
wp-content/plugins/woocommerce/includes/wc-page-functions.php
wp-content/plugins/woocommerce/includes/wc-product-functions.php
wp-content/plugins/woocommerce/includes/wc-term-functions.php
wp-content/plugins/woocommerce/includes/wc-attribute-functions.php
wp-content/plugins/woocommerce/includes/wc-widget-functions.php
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-widget.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-cart.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav-filters.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-price-filter.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-product-categories.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-product-search.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-product-tag-cloud.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-products.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-recent-reviews.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-recently-viewed.php
wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-top-rated-products.php
wp-content/plugins/woocommerce/includes/wc-webhook-functions.php
wp-content/plugins/woocommerce/includes/class-wc-install.php
wp-content/plugins/woocommerce/includes/class-wc-geolocation.php
wp-content/plugins/woocommerce/includes/class-wc-download-handler.php
wp-content/plugins/woocommerce/includes/class-wc-comments.php
wp-content/plugins/woocommerce/includes/class-wc-post-data.php
wp-content/plugins/woocommerce/includes/class-wc-ajax.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin.php
wp-content/plugins/woocommerce/includes/class-wc-query.php
wp-content/plugins/woocommerce/includes/class-wc-api.php
wp-content/plugins/woocommerce/includes/class-wc-auth.php
wp-content/plugins/woocommerce/includes/class-wc-post-types.php
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-product.php
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-order.php
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-settings-api.php
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-shipping-method.php
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-payment-gateway.php
wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-integration.php
wp-content/plugins/woocommerce/includes/class-wc-product-factory.php
wp-content/plugins/woocommerce/includes/class-wc-countries.php
wp-content/plugins/woocommerce/includes/class-wc-integrations.php
wp-content/plugins/woocommerce/includes/class-wc-cache-helper.php
wp-content/plugins/woocommerce/includes/class-wc-language-pack-upgrader.php
wp-content/plugins/wp-font-awesome/wp-font-awesome.php
wp-content/plugins/wp-google-fonts/google-fonts.php
wp-content/plugins/wp-multibyte-patch/wp-multibyte-patch.php
wp-includes/pluggable.php
wp-includes/pluggable-deprecated.php
wp-includes/default-widgets.php
wp-content/plugins/contact-form-7/modules/acceptance.php
wp-content/plugins/contact-form-7/modules/flamingo.php
wp-content/plugins/contact-form-7/modules/akismet.php
wp-content/plugins/contact-form-7/modules/jetpack.php
wp-content/plugins/contact-form-7/modules/submit.php
wp-content/plugins/contact-form-7/modules/captcha.php
wp-content/plugins/contact-form-7/modules/number.php
wp-content/plugins/contact-form-7/modules/text.php
wp-content/plugins/contact-form-7/modules/checkbox.php
wp-content/plugins/contact-form-7/modules/quiz.php
wp-content/plugins/contact-form-7/modules/textarea.php
wp-content/plugins/contact-form-7/modules/date.php
wp-content/plugins/contact-form-7/modules/response.php
wp-content/plugins/contact-form-7/modules/file.php
wp-content/plugins/contact-form-7/modules/select.php
wp-content/plugins/contact-form-7/modules/listo.php
wp-content/plugins/contact-form-7/modules/count.php
wp-content/plugins/my-wp-backup/src/Admin/Admin.php
wp-content/plugins/my-wp-backup/src/Admin/Job.php
wp-content/plugins/my-wp-backup/src/Admin/Backup.php
wp-content/languages/pl_PL.php
wp-includes/locale.php
wp-content/themes/aerion/functions.php
wp-content/themes/customizr/functions.php
wp-content/themes/customizr/inc/init.php
wp-content/themes/customizr/inc/class-fire-init.php
wp-content/themes/customizr/inc/class-fire-plugins_compat.php
wp-content/themes/customizr/inc/class-fire-utils_settings_map.php
wp-content/themes/customizr/inc/class-fire-utils.php
wp-content/themes/customizr/inc/class-fire-resources.php
wp-content/themes/customizr/inc/class-fire-widgets.php
wp-content/themes/customizr/inc/admin/class-fire-admin_init.php
wp-content/themes/customizr/inc/admin/class-fire-admin_page.php
wp-content/themes/customizr/inc/admin/class-admin-meta_boxes.php
wp-content/plugins/woocommerce/includes/wc-template-functions.php
wp-content/plugins/woocommerce/includes/class-wc-order-factory.php
wp-content/plugins/content-aware-sidebars/modules/static.php
wp-content/plugins/content-aware-sidebars/modules/casmodule.php
wp-content/plugins/content-aware-sidebars/modules/post_type.php
wp-content/plugins/content-aware-sidebars/modules/author.php
wp-content/plugins/content-aware-sidebars/modules/page_template.php
wp-content/plugins/content-aware-sidebars/modules/taxonomy.php
wp-content/plugins/content-aware-sidebars/modules/date.php
wp-content/plugins/google-analytics-dashboard-for-wp/admin/setup.php
wp-content/plugins/google-analytics-dashboard-for-wp/admin/widgets.php
wp-content/plugins/google-analytics-dashboard-for-wp/admin/item-reports.php
wp-content/plugins/w3-total-cache/extensions/CloudFlare.php
wp-content/plugins/woocommerce/includes/admin/wc-admin-functions.php
wp-content/plugins/woocommerce/includes/admin/wc-meta-box-functions.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-post-types.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-duplicate-product.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-meta-boxes.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-taxonomies.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-menus.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-notices.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-assets.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-api-keys.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-webhooks.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-pointers.php
wp-content/plugins/woocommerce/includes/admin/class-wc-admin-help.php
wp-content/plugins/woocommerce/includes/class-wc-shortcodes.php
wp-content/plugins/woocommerce/includes/class-wc-emails.php
wp-admin/includes/admin.php
wp-admin/includes/bookmark.php
wp-admin/includes/comment.php
wp-admin/includes/file.php
wp-admin/includes/image.php
wp-admin/includes/media.php
wp-admin/includes/import.php
wp-admin/includes/misc.php
wp-admin/includes/plugin.php
wp-admin/includes/post.php
wp-admin/includes/screen.php
wp-admin/includes/taxonomy.php
wp-admin/includes/template.php
wp-admin/includes/list-table.php
wp-admin/includes/theme.php
wp-admin/includes/user.php
wp-admin/includes/update.php
wp-admin/includes/deprecated.php
wp-includes/class-wp-admin-bar.php
wp-content/plugins/ewww-image-optimizer/bulk.php
wp-content/plugins/ewww-image-optimizer/aux-optimize.php
wp-content/plugins/ewww-image-optimizer/mwebp.php
wp-content/plugins/w3-total-cache/lib/W3/ConfigCompatibility.php
Total: 6 843 704 bytes

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