In this blog post, you’ll learn more about the SQL Server Error Code 41121 and the error message description that is shown
SQL Server Error Code
41121
SQL Server Error Description for the Code :41121
The local availability replica of availability group ‘%.*ls’ cannot accept signal ‘%s’ in its current replica role, ‘%s’, and state (configuration is %s in Windows Server Failover Clustering store, local availability replica has %s joined). The availability replica signal is invalid given the current replica role. When the signal is permitted based on the current role of the local availability replica, retry the operation.