CostCenterManagerId IsNull - does Cost Center have a manager in REQ Approval Rules

Hi,

The Requisition Approval Diagnostic report returns details about requisition approval rules - example here:

Other rules check if the Cost Manager ID is null too:

I have some SQL to check if a Cost Centre has a Cost Centre Manager against it, but for some requisitions, the Cost Centre on the Code Combination, according to my SQL, does have a Cost Centre Manager, but according to the Diagnostic Report, this is true:

CostCenterManagerID IsNull

The Conditions on Requisition Approval Rules include checks against the Cost Centre Manager.

One example to check if the manager is populated:

Another example to check if the manager is blank: