Failed to bring availability group '%1!s!' online. The operation timed out. Verify that the local Windows Server Failover ...

Failed to bring availability group '%1!s!' online.  The operation timed out. Verify that the local Windows Server Failover Clustering (WSFC) node is online. Then verify that the availability group resource exists in the WSFC cluster. If the problem persists, you might need to drop the availability group and create it again.