Yes I did check the thread but the case seems a bit different to me since I haven't done anything on this clean environment but setting the Mapper Service Configuration to cause the 503 error. And I cannot access the instance in any way to modify the content. So might need to modify the content in c...

Dear community,We just updated our AEM to 6.5.13, then found that setting Apache Sling Service User Mapper Service Configuration leads to ERROR 503 ServletResolver service missing as long as we restart AEM instance. This happens even if just clicked "Save" without any modification. The /system/conso...