How To Fix QAM255 - Access to object type via two different object categories not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: QAM - General Message Class for Quality Issue Management

• Message number: 255

• Message text: Access to object type via two different object categories not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QAM255 - Access to object type via two different object categories not permitted ?

  The SAP error message QAM255 ("Access to object type via two different object categories not permitted") typically occurs in the context of Quality Management (QM) in SAP. This error indicates that there is an attempt to access a specific object type (like a quality notification or inspection lot) using two different object categories, which is not allowed in the system.
  Cause:
  The error is usually caused by one of the following scenarios:
  
  Multiple Object Categories: The system is trying to access the same object using different categories (e.g., trying to access a quality notification as both a notification and an inspection lot).
  Configuration Issues: There may be configuration settings in the Quality Management module that are not aligned, leading to conflicts in how objects are categorized.
  Data Integrity Issues: There might be inconsistencies in the data or object types being used, which can lead to the system being unable to determine the correct category for the object.
  
  Solution:
  To resolve the QAM255 error, you can take the following steps:
  
  
  Check Object Access: Review the transaction or process that triggered the error. Ensure that you are not trying to access the same object with different categories. For example, if you are working with a quality notification, ensure that you are not simultaneously trying to access it as an inspection lot.
  
  
  Review Configuration: Check the configuration settings in the Quality Management module. Ensure that the object categories are correctly defined and that there are no conflicting settings.
  
  
  Data Consistency: Verify the integrity of the data being used. Check for any inconsistencies in the object types or categories. You may need to clean up or correct any erroneous data entries.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the object types and categories relevant to your situation.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the transaction codes and steps that led to the error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the QM module, such as QM01 (Create Quality Notification), QM02 (Change Quality Notification), and QA32 (Display Inspection Lots).
  User Roles and Authorizations: Ensure that the user roles and authorizations are correctly set up to access the required object types without conflicts.
  Testing: If you are making changes to configurations or data, consider testing in a development or quality assurance environment before applying changes to the production system.
  
  By following these steps, you should be able to identify the cause of the QAM255 error and implement a solution to resolve it.