AdminCP Whitelist issue on administrator with limited ACL:  Error!  You don't have permission to perform this action.

Symptoms 

Additional administrator with permission to Add,Delete and View AdminCP Whitelist is unable to do any of these actions with the following error:

SVM_ERROR: Error! 
You don't have permission to perform this action.

Cause

This is a bug #SVM-1738 which is planned to be fixed in future SolusVM updates.

Resolution

As a workaround,

1. Login to SolusVM admin panel.
2. Enable "Add" and "Add Admin ACL" at Configuration > Administrator ACL > Edit ACL: