Joomla4.3 and error:2014 Commands out of sync; you can't run this command now

[maxer7]

Phoca Gallery 4.5.4
Joomla: 4.3.2
PHP Version 8.0.29
I finished migration process to Joomla 4.
on test subdomain beta.[domain].pl
On FTP, I changed only catalog name [domain].pl to
old.[domena].pl; beta.[domain].pl to [domena].pl.
Of course, I changed too, pathes in Configuration.php and PHP Version to 8.0
Everything was fine, in beta subdomain
After changed catalog name I has error

2014 Commands out of sync; you can't run this command now

PHP settings are the same for test and production websites
How solve it?

[maxer7]

I changed some settings Phoca Gallery. I don't know, I don't which options.

[Jan]

Hi, enable debug mode to see the full error message (includuing the file and line where the error occurrs).

Jan