Support - J2Commerce

#562 Warnings on undefined array keys

Posted in ‘Technical Support / Bugs’

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Latest post by Olivier on Tuesday, 18 November 2025 22:56 UTC

Monday, 17 November 2025 22:20 UTC

Stephane Hanrez

Hello,

After upgrading my J4 sites to J5 (and upgrading to MySQL 8.0 / PHP 8.1), I'm seeing a bunch of those warnings in my log files :

PHP Warning: Undefined array key "id" in /administrator/components/com_j2store/helpers/router.php on line 356

PHP Warning: Undefined property: J2StoreViewProducttags::$filter_catid in /plugins/j2store/app_bootstrap5/app_bootstrap5/tmpl/tag_bootstrap5/default.php on line 107

Any idea why and if there is something I can do about this ? Or is it a known issue that will be solve in a future version.

Thanks

Tuesday, 18 November 2025 22:56 UTC

Olivier

Hello Stephane,

these are just warnings and won't prevent you to keep using the extension. All these are resolved bit by bit as we are moving the extension to more stable code.

Thank you for your patience!

Olivier.

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