No approver was found for Standard Purchase Order XXXXXXXX

Hi,

Getting the error 'No approver was found for Standard Purchase Order XXXXXXXX' in workflow list while trying to approve the Standard purchase Order.

Following setup is in place

1 ) Emp/Supervisior Hierarchy setup(In the Financial option Use Approval Hierarchies is unchecked)

2) For Standard Purchase Order Document the option - Owner can approve the document is checked

3) The Preparer has the Max approval limit assigned.

let me know if I' am missing on something.

Regards,

DK