I am unable to delete the Resource

Question

I am unable to delete my resource which only has valut-xxxx.

Error recived:

{"Error":{"Code":"ResourceDeletionFailed","Target":null,"Message":"The request to delete the resource 'Microsoft.RecoveryServices/vaults/vault-xxxx' failed. subscription id '0xxxxxx-b222-xxxx-bee4-xxxxxxxxx', activity id 'f4bbxxxx-5233-xxxx-a837-3148f1a054bd', request correlation id 'c985e592-xxxx-xxxx-9db9-xxxxxxxxx'.","Details":null,"AdditionalInfo":null}}