After some comments to some pages, on refresh it denies access to the pages in full view,
the "front page" preview is there fine, but click into it and no go on some browsers, opera, chrome, but if they load firefox they can access it, like WTF?
The only thing is error log is
[Sat Aug 07 13:05:18.300174 2021] [php7:warn] [pid 10305:tid 139655013983808] [client x.x.x.x:41200] PHP Warning: Declaration of serendipity_event_mobile_output::uninstall() should be compatible with serendipity_plugin::uninstall(&$propbag) in /xxxxxxxxxx/xxxxxxxxx/plugins/serendipity_event_mobile_output/serendipity_event_mobile_output.php on line 84
PHP 7.4.22
Serendipity 2.3.5