Java null pointer exception viewing ACL properties in DA 7.3 after revoking user access using DQL

DCTM_SABH1

Hi Gurus,

Can you please help to to solve Java null pointer exception viewing ACL properties which I am getting after I revoked user access using below DQL command.

Retrieve,c,dm_acl where object_name='acl'

Revoke,c,l,username

Save,c,l

This is very urgent so thank you in advance.

Thank you,

Sabhyata