Fatal error!

I am getting the following error trying to use the “lost password” functionality:

Fatal error: Uncaught Error: Call to undefined function SendGrid\Mail\mb_convert_encoding() in /home/bracemec/public_html/hs2020/wp-content/plugins/post-smtp/Postman/Postman-Mail/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Content.php:88 Stack trace: #0 /home/bracemec/public_html/hs2020/wp-content/plugins/post-smtp/Postman/Postman-Mail/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Content.php(44): SendGrid\Mail\Content->setValue('This email was ...') #1 /home/bracemec/public_html/hs2020/wp-content/plugins/post-smtp/Postman/Postman-Mail/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Mail.php(1088): SendGrid\Mail\Content->__construct('text/plain', 'This email was ...') #2 /home/bracemec/public_html/hs2020/wp-content/plugins/post-smtp/Postman/Postman-Mail/PostmanSendGridMailEngine.php(82): SendGrid\Mail\Mail->addContent('text/plain', 'This email was ...') #3 /home/bracemec/public_html/hs2020/wp-content/plugins/post-smtp/Postman/PostmanWpMail.php(236): PostmanSendGridMailEngine->send(Object(PostmanMessage)) #4 /home/bracemec/public_h in /home/bracemec/public_html/hs2020/wp-content/plugins/post-smtp/Postman/Postman-Mail/sendgrid/vendor/sendgrid/sendgrid/lib/mail/Content.php on line 88

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This is the output from the plugin diagnostic test:

Mailer: postsmtp
HostName: healthspaceclinics.com.au
cURL Version: 7.71.0
OpenSSL Version: OpenSSL/1.1.1d
OS: Linux vmcp52.digitalpacific.com.au 2.6.32-954.3.5.lve1.4.78.el6.x86_64 #1 SMP Thu Mar 26 08:20:27 EDT 2020 x86_64
PHP: Linux 7.4.14 C
PHP Dependencies: iconv=Yes, spl_autoload=Yes, openssl=Yes, sockets=Yes, allow_url_fopen=Yes, mcrypt=No, zlib_encode=Yes
WordPress: 5.6.1 en_US UTF-8
WordPress Theme: Health Space Clinics custom theme
WordPress Plugins: Gravity Forms, Advanced Custom Fields: Extended, Add Post Type Instructions, Adminimize, Advanced Custom Fields PRO, Akismet Anti-Spam, The SEO Framework, Breadcrumb Trail, Classic Editor, Custom Dashboard Widgets, Custom Post Type UI, Duplicator, Gravity Forms + Custom Post Types, Bootstrap 4 for Gravity Forms, Gravity Forms Mailchimp Add-On, Members, Minimum Featured Image Size, Post SMTP, Post Types Order, Stream, The SEO Framework - Extension Manager, Advanced Editor Tools (previously TinyMCE Advanced), UpdraftPlus - Backup/Restore, Wordfence Security, WP Fastest Cache, WP-Paginate
WordPress wp_mail Owner: /home/bracemec/public_html/hs2020/wp-content/plugins/post-smtp/Postman/PostmanWpMailBinder.php
WordPress wp_mail Filter(s): wp_staticize_emoji_for_email, PostsmtpMailer->get_mail_args
WordPress wp_mail_from Filter(s): wordfence::fixWPMailFromAddress
Postman: 2.0.20
Postman Sender Domain (Envelope|Message): healthspaceclinics.com.au | healthspaceclinics.com.au
Postman Prevent Message Sender Override (Email|Name): No | No
Postman Active Transport: SendGrid API (https://api.sendgrid.com:443)
Postman Active Transport Status (Ready|Connected): Yes | Yes
Postman Deliveries (Success|Fail): 9117 | 57

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Any help you can offer urgently much appreciated!

• This topic was modified 3 years, 9 months ago by Yui.
• This topic was modified 3 years, 9 months ago by Yui. Reason: please use CODE button for code formatting