Hello @Manjunath_K Thank you for your answer, it seems that it could be my problem reason.Do you have any suggestions on what to do with this kind of error?

Hi!After creating the WKND tutorial project I am facing issues.In http://localhost:4502/sites.html/content/wknd by selecting edit - page opens empty in the editor.I am working with AEM 6.5Apache Maven 3.6.3Java version: 11.0.8I would be really happy about every suggestion on how to fix this problem....