Dynamics GP - Returns Management - RMA Type Selected is invalid for this process

• To create a return from an SOP document go to
• Sales Transaction Entry>Additional>Create Return
• If you get the error message "RMA Type Selected is invalid for this process" untick the "Create RMA" box
• To permanently remove this default check 
• Go to the Registration window from Tools >> Setup >> System >> Registration
• Uncheck the Returns Management module
• This will prevent you from using the actual Field Service Returns Management, and limit the functionality to only SOP returns
• Click OK

• Select Return Type ID
• Select Customer
• Select Posted SOP Document to return
• Select Items to Return
• Adjust quantities to return in necessary in the "Return Quantity" line item field
• If you have already returned against this sop document, you will get a warning, but it will not stop you from returning against it again