How To Fix ME166 - Please check release prerequisites

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 166

• Message text: Please check release prerequisites

What causes this issue?

The Customizing settings for the release procedure must be made in the
proper manner.
The settings are either incomplete or faulty (e.g. due to subsequent
changes).

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?

Please therefore also check the release prerequisites when maintaining
the release strategy.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME166 - Please check release prerequisites ?

  The SAP error message ME166 ("Please check release prerequisites") typically occurs in the context of purchasing documents, such as purchase requisitions or purchase orders, when there are issues related to the release strategy. This error indicates that the prerequisites for releasing a document have not been met.
  Causes:
  
  Missing Release Strategy: The document may not have a defined release strategy that meets the criteria for approval.
  Incomplete Data: Required fields or data may be missing in the purchase requisition or order that are necessary for the release strategy to be triggered.
  Release Codes: The release codes assigned to the document may not be valid or may not have the necessary authorizations.
  Release Group Issues: The release group assigned to the document may not be configured correctly or may not have the necessary release conditions.
  User Authorizations: The user attempting to release the document may not have the required authorizations to perform the release.
  
  Solutions:
  
  
  Check Release Strategy Configuration:
  
  Go to the configuration settings for release strategies in the SAP system (Transaction code: SPRO).
  Ensure that the release strategy is correctly defined and that all necessary conditions are met.
  
  
  
  Verify Document Data:
  
  Review the purchase requisition or order for any missing or incorrect data.
  Ensure that all mandatory fields are filled out correctly.
  
  
  
  Review Release Codes:
  
  Check the release codes assigned to the document and ensure they are valid.
  Make sure that the release codes correspond to the correct release strategy.
  
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to release the document.
  If needed, consult with your SAP security team to ensure the user roles are correctly assigned.
  
  
  
  Consult with SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  ME28 (Release Purchase Orders)
  ME29N (Release Purchase Order)
  ME52N (Change Purchase Requisition)
  
  
  
  Documentation: 
  
  SAP Help Portal and SAP Notes related to release strategies and purchasing documents can provide additional insights and troubleshooting steps.
  
  
  
  Training: 
  
  Consider training sessions or workshops on SAP purchasing processes and release strategies for users involved in procurement.
  
  
  
  By following these steps, you should be able to identify and resolve the issue causing the ME166 error message in SAP.