Cluster resource ‘xxxxxx’ of type ‘SQL Server Availability Group’ in clustered role ‘xxxx’ failed.
Based on the failure policies for the resource and role, the cluster service may try to bring the resource online on this node or move the group to another node of the cluster and then restart it. Check the resource and group state using Failover Cluster Manager or the Get-ClusterResource Windows PowerShell cmdlet.
SQL Server Log:
Unable to access availability database ‘xxxxxxx’ because the database replica is not in the PRIMARY or SECONDARY role. Connections to an availability database is permitted only when the database replica is in the PRIMARY or SECONDARY role. Try the operation again later.