Unexpected token and restrict API on Joomla 5

Hello, after Gridbox installation on Joomla 5 I get this warning:
Unexpected token '
When I save work in the editor, the following message pops up: Warning: Zend OPcache API is restricted by "restrict_api" configuration directive in...
I have Gridbox 2.16.2.1, Joomla 5.0.2, PHP 8.1.14

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