Originally Posted by Justin2003
Thats the same error.
I never encountert the error but read of it on a German forum. They went through the following for a solution:
1) clear htc backup data under settings APPs
2) clear play services data under settings APPs for those who use Google account to backup (maybe also dropbox for those on dropbox)
3) rename phone
After those steps they set up HTC backup again and it worked.
Some of them wiped cache as well prior to setting up backup again, but doesn't make sense for me in this case.
Sent from my HTC One_M8 using XDA Free mobile app