Deprecated Warning after update to php 8.1

Hi,
my webhoster pushed me to update vom php8.0 to 8.1. WPUM version: 2.9.8
After the update I got this deprecated message, so had to roll back.

“Deprecated: Return type of WPUM\Carbon_Fields\Pimple\Container::offsetExists($id) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-content/plugins/wp-user-manager/vendor-dist/htmlburger/carbon-fields/core/Pimple/Container.php on line 111 Deprecated: Return type of WPUM\Carbon_Fields\Pimple\Container::offsetGet($id) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-content/plugins/wp-user-manager/vendor-dist/htmlburger/carbon-fields/core/Pimple/Container.php on line 87 Deprecated: Return type of WPUM\Carbon_Fields\Pimple\Container::offsetSet($id, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-content/plugins/wp-user-manager/vendor-dist/htmlburger/carbon-fields/core/Pimple/Container.php on line 70 Deprecated: Return type of WPUM\Carbon_Fields\Pimple\Container::offsetUnset($id) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-content/plugins/wp-user-manager/vendor-dist/htmlburger/carbon-fields/core/Pimple/Container.php on line 120 Warning: Cannot modify header information – headers already sent by (output started at /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-content/plugins/wp-user-manager/vendor-dist/htmlburger/carbon-fields/core/Pimple/Container.php:33) in /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-admin/includes/misc.php on line 1431 Warning: Cannot modify header information – headers already sent by (output started at /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-content/plugins/wp-user-manager/vendor-dist/htmlburger/carbon-fields/core/Pimple/Container.php:33) in /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-includes/functions.php on line 7049 Warning: Cannot modify header information – headers already sent by (output started at /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-content/plugins/wp-user-manager/vendor-dist/htmlburger/carbon-fields/core/Pimple/Container.php:33) in /mnt/web116/b2/74/5669774/htdocs/WordPress_02/wp-admin/admin-header.php on line 9”

Any idea?

• This topic was modified 10 months, 2 weeks ago by dietervoss.

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