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(2023-05-23, 02:14 PM)Laird Wrote: [ -> ]Yep, it seems from the changelog in the unserialize() manual page as archived on 22 April, 2021 that the second parameter, $options, was added only in PHP version 7.0.0. Oddly, that changelog entry seems to have been removed from the manual page the following day, and no longer appears in the current version.

Zend has hosted a set of documentations for very old PHP versions. This page may be accessed via https://php-legacy-docs.zend.com/manual/...nserialize .

(2023-05-23, 11:09 AM)Devilshakerz Wrote: [ -> ]Try reverting the inc/class_datacache.php file to the previous version (available at https://raw.githubusercontent.com/mybb/m...acache.php).

The issues may indeed originate in old PHP versions (and PHP >= 7.0 would not be affected).

It 's work, Thank you

(2023-05-23, 11:09 AM)Devilshakerz Wrote: [ -> ]Try reverting the inc/class_datacache.php file to the previous version (available at https://raw.githubusercontent.com/mybb/m...acache.php).

The issues may indeed originate in old PHP versions (and PHP >= 7.0 would not be affected).

This was the solution, just replacing this one file in the update "INC" directory, fixed the problem

Regards
[attachment=46005]

Since the official requirements list PHP >5.2 is this considered a bug and will be fixed in the next release (1.8.25)?

(2023-06-05, 04:26 PM)Lennart Sauter Wrote: [ -> ]Since the official requirements list PHP >5.2 is this considered a bug and will be fixed in the next release (1.8.25)?

Yes, in 1.8.35: https://github.com/mybb/mybb/issues/4705