I recently was helping a client set their security and I found a weird one. The workflow would stop with an error "User 123 has no access to menu item PurchReqTable". This even though they already had access to all the workflow menu items and the purchase requisition form.
The key that is required is the Miscellaneous key.
The price fields on the purchase requisition are non-editable for catalogue items. It is expected that a trade agreement be created. The price fields are only editable for these conditions: Form is opened view AP -> Periodic -> Purchase Requisition -> All purchase requisition, or Line type is “Non-catalogue item”, or User is task owner. Ie. The task is assigned to the user. In other words he/she maybe the purchaser that gets the price. User is approval owner. Ie. The approval is assigned to the user. In other words he/she maybe the manager that approves the final requisition. For catalogue items on the purchase requisition line can only select between the vendor directly associated with the item and the cheapest vendor as found through the purchase price trade agreements. If another vendor is requested the vendor can be blanked and the user can enter a “Proposed vendor” in the proposed vendor field on the general tab page for the purchase requisition line. NOTE: ...

