thank you for your suggest, I was able to find a solution page regarding 500-errors.
re-uploaded core-files, increased php-memory, deactivating all plugins …
I deactivating my most important plugIns: WooCommerce and TeamBooking and everything worked well! :-(
same problem here … tried reinstalling the theme, deactivating less important plugins, database cleaning with wp-optimize. nothing helped.
Saving is only possible the first time after opening the editor and changing once some data.
(changing the theme helped for saving the site)
what could I try next?
thanks you so much, it really changes the button into the theme-style!!
kind regards!! Sandro
Hej Nikko, thanks for your response!
here the link: https://praxis-sandrogattei.at/webinar-endlichankommen-anmeldung/
kind regards
Sandro