Error in accessing availability replica in Always on environment

The target database, ‘YourDatabase’, is participating in an availability group and is currently not accessible for queries. Either data movement is suspended or the availability replica is not enabled for read access. To allow read-only access to this and other databases in the availability group, enable read access to one or more secondary availability replicas in the group.  For more information, see the ALTER AVAILABILITY GROUP statement in SQL Server Books Online. (Microsoft SQL Server, Error: 976)

Go to Primary server  and check availability dashboard. If any one server is in not synchronizing state. Log on the server which in not synchronizing state.

Step 1 -> Run query

Alter DATABASE YourDBName SET HADR RESUME