How To Fix ME091 - System error: correct access type in T180Z

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 091

• Message text: System error: correct access type in T180Z

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ME091 - System error: correct access type in T180Z ?

  The SAP error message ME091 ("System error: correct access type in T180Z") typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions. This error indicates that there is an issue with the access type defined in the T180Z table, which is related to the authorization checks for purchasing documents.
  Cause:
  
  Access Type Configuration: The error suggests that the access type for the purchasing document is not correctly configured in the T180Z table. This table contains the access types for various purchasing document types and their corresponding authorization checks.
  Authorization Issues: The user may not have the necessary authorizations to perform the action they are attempting, which can lead to this error.
  Customizations: If there have been customizations or changes made to the purchasing module or authorization objects, it could lead to inconsistencies that trigger this error.
  
  Solution:
  
  
  Check T180Z Configuration:
  
  Go to transaction code SE11 (Data Dictionary) and enter the table name T180Z.
  Review the entries for the relevant purchasing document types and ensure that the access types are correctly defined.
  If necessary, consult with your SAP Basis or security team to verify that the access types align with your organization's requirements.
  
  
  
  Review User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to check for authorization failures.
  Ensure that the user has the necessary roles and authorizations to perform the action related to the purchasing document.
  If needed, adjust the user roles or request additional authorizations from your security team.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments or enhancements in the purchasing module, review them to ensure they are not interfering with standard functionality.
  Consult with your ABAP developers if you suspect that custom code might be causing the issue.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues related to T180Z or purchasing document access types.
  
  
  
  Testing:
  
  After making any changes, test the purchasing process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SU53 (Authorization Check), ME21N (Create Purchase Order), ME51N (Create Purchase Requisition).
  Authorization Objects: Familiarize yourself with relevant authorization objects related to purchasing, such as M_BEST_BSA (Purchasing Document: Authorization for Purchase Orders) and M_BEST_EKG (Purchasing Document: Authorization for Purchase Requisitions).
  Documentation: Review SAP documentation on purchasing and authorization management for best practices and guidelines.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.