How To Fix PO022 - Unknown error occurred, no message available (RC = &1)

PO022 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 022

• Message text: Unknown error occurred, no message available (RC = &1)

What causes this issue?

A function module has reported an exception but without a message text
that might have provided more details about the error.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

PO022 - Details

• The SAP error message PO022, which states "Unknown error occurred, no message available (RC = &1)," is a generic error that can occur in various contexts within the SAP system, particularly when dealing with Purchase Orders (POs). The error message indicates that an unexpected issue has arisen, and the system is unable to provide a specific error message or code to help diagnose the problem.
  Possible Causes:
  
  Data Issues: There may be inconsistencies or missing data in the purchase order or related master data (e.g., vendor, material).
  Authorization Problems: The user may not have the necessary authorizations to perform the action related to the purchase order.
  System Configuration: There could be configuration issues in the purchasing module or related areas.
  Technical Errors: This could be due to a bug in the SAP system or an issue with the underlying database.
  Integration Issues: If the purchase order is being processed in conjunction with other systems (e.g., EDI),