after updating jommla to 3.9.22 many errors started in page builder

HI anyone. Im very new in this, I updated the joomla to3.9.22 as the system asked me.
the template I bought came with P builder 2.4.9.

Since the updatre the PB is giving lots of error specially when I try to change menus. also lots of warnings on the web page.

Any ideas


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