Error retrieving information from server [RPC S-7 AEC-7 BQGL-UB33-5TPXS]..HOW CAN I FIX IT?

[AC Question]

Error retrieving information from server [RPC S-7 AEC-7 BQGL-UB33-5TPXS]....HOW CAN I FIX IT..

Plzz tell me..how can i fix it..i reset my phone....remove a/c...bt stilll same issue....plzzz slove it fast..