My community site has been working fine since yesterday 10 AM IST. But after that when ever I try to login it throws an error saying When I try to check what is the problem. I navigate to administration section through builder it throws an error This page has an error. You might just need to refresh it. Error in $A.getCallback() [Communication error, please retry or reload the page] Callback failed: serviceComponent://ui.communities.components.aura.components.communitySetup.cmc.CMCAppController/ACTION$getAppBootstrapData Failing descriptor: {markup://communitySetup:cwApp} Even I am not able to see the login page it says Invalid page when I enter the URL of Login page what might be the issue please help Thanks in Advance
Solution for this please
This issue happens only in one sandbox. In my R & D and production is working fine Please help to resolve this issue