How To Fix M8037 - PO not selectable (curr. & /exch. rate & fixed)

M8037 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 037

• Message text: PO not selectable (curr. & /exch. rate & fixed)

What causes this issue?

A fixed currency exchange rate has been specified in the purchase order.
The document you are currently processing specifies a different
exchange rate or a different currency. Because of this you cannot select
this purchase order.

How to fix this error?

You must terminate the selection and process the invoice item for this
purchase order separately, in a document of its own.

Error message extract from SAP system. Copyright SAP SE.

M8037 - Details

• The SAP error message M8037 "PO not selectable (curr. & /exch. rate & fixed)" typically occurs when there are issues related to currency and exchange rates in the context of a Purchase Order (PO). Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Currency Mismatch: The currency of the Purchase Order may not match the currency of the invoice or the currency set in the system for the transaction.
  Exchange Rate Issues: The exchange rate for the currencies involved may not be maintained or may be outdated. This can happen if the exchange rate is not defined for the date of the transaction.
  Fixed Exchange Rate: If the Purchase Order is set to use a fixed exchange rate, and the current exchange rate does not match the fixed rate, this error can occur.
  Document Type Restrictions: Certain document types may have restrictions on currency or exchange rate settings that