This issue was found in Malawi MW4-126.
Log in as administrator and go to Administration > Requisition Template.
Click the Configure button next to e.g. Family Planning.
Unselect Price per pack and saved the changes.
Go to Requisition > Create/Authorize and initiate, submit and authorize a requisition for e.g. Comfort Health Clinic/Family Planning.
Go to Requisitions > Approve, select just-authorized requisition and any other.
Click the View Selected Requisitions and then “Sync with server” or “Approve” button.
One can't perform the action because an error occurs.
It should be possible to sync or approve requisition using the batch approval screen.