Version of the report server is not valid

Hi ,

my report database is throwing an error like below after a failback from Azure VM.  it used to work before the failover.  This server is in AlwaysON with one of the azure server. After we failed back from Azure vm , this problem started. Can someone please help . 

Error:

Microsoft.ReportingServices.Library.InvalidReportServerDatabaseException: The version of the report server database is either in a format that is not valid, or it cannot be read. The found version is '165'. The expected version is '163'.;

Version Info:

Microsoft SQL Server 2014 (SP2-CU17) (KB4491540) - 12.0.5632.1 (X64) 
Apr  1 2019 22:02:03 
Copyright (c) Microsoft Corporation
Enterprise Edition (64-bit) on Windows NT 6.3 <X64> (Build 9600: ) (Hypervisor)