How To Fix /PF1/MSG_PO_E091 - Lock Reason field is mandatory

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_PO_E -

• Message number: 091

• Message text: Lock Reason field is mandatory

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_PO_E091 - Lock Reason field is mandatory ?

  The SAP error message /PF1/MSG_PO_E091 Lock Reason field is mandatory typically occurs in the context of purchase order (PO) processing. This error indicates that the "Lock Reason" field, which is required for certain operations (like locking a purchase order), has not been filled in.
  Cause:
  
  Missing Input: The user did not provide a value for the "Lock Reason" field when attempting to lock or modify a purchase order.
  Configuration Issue: The system may be configured to require a lock reason for certain transactions, and this requirement is not being met.
  User Role/Authorization: The user may not have the necessary permissions to perform the action, leading to incomplete data entry.
  
  Solution:
  
  Fill in the Lock Reason: When you encounter this error, check the form or screen where you are entering data. Look for the "Lock Reason" field and ensure that it is filled out with an appropriate reason for locking the purchase order.
  Review Configuration: If you are an administrator or have access to configuration settings, review the settings related to purchase order processing to ensure that the lock reason is correctly set up as a mandatory field.
  User Training: Ensure that users are trained on the importance of filling out all mandatory fields, including the Lock Reason, when processing purchase orders.
  Check User Permissions: If the issue persists, verify that the user has the necessary permissions to perform the action. Adjust roles and authorizations as needed.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on purchase order processing and mandatory fields.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like ME21N for creating purchase orders) to understand where the error might occur.
  Support Notes: Check SAP Support Portal for any notes or updates related to this error message, as there may be patches or updates that address specific issues.
  
  If the problem continues after following these steps, consider reaching out to your SAP support team for further assistance.