Joomla V4.0.4 SP page builder pro V3.7.15 Template = Estate when trying to make a change to the template style in sp page builder pro in basic option i get this error message Default Layout file is not exists! Please goto to template manager and create a new layout first. I have tried the duplicate option to copy the template but get the same error

also if i try to make any alterations to the home page content i get another error The most recent request was denied because it had an invalid security token. Please refresh page and try again

These errors have occured since we have gone into 2023 it was working fine before that date