Good morning, I receive this error after inserting a Feature Box on the Home page (SPPB Pro 5.0 - J4). I also tried to duplicate an existing one but it gives me the same error. I started debugging and I'll insert what I reported below. Thank you and good day
https://mgt.sviluppo.host/index.php?option=com_sppagebuilder&view=page&id=1
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https://mgt.sviluppo.host