How To Fix /PM0/ABH_MESSAGE104 - Attribute '&2' of entity '&1' for deserializing does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABH_MESSAGE -

• Message number: 104

• Message text: Attribute '&2' of entity '&1' for deserializing does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABH_MESSAGE104 - Attribute '&2' of entity '&1' for deserializing does not exist ?

  The SAP error message /PM0/ABH_MESSAGE104 indicates that there is an issue with deserializing an entity due to a missing attribute. This typically occurs in the context of data processing or integration scenarios, such as when working with APIs, data services, or when handling data in the SAP system.
  Cause:
  The error message suggests that the system is trying to deserialize an entity (which is a structured data object) and is unable to find a specific attribute that it expects to be present. The placeholders &1 and &2 in the message represent the entity name and the attribute name, respectively. The possible causes for this error include:
  
  
  Schema Mismatch: The data being processed does not match the expected schema. This could happen if the data structure has changed but the consuming application or service has not been updated accordingly.
  
  
  Data Corruption: The data being deserialized may be corrupted or incomplete, leading to missing attributes.
  
  
  Versioning Issues: If there are multiple versions of the entity or API, the version being used may not include the expected attribute.
  
  
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the expected data structure.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Data Structure: Verify that the data being sent to the system matches the expected structure. Ensure that all required attributes are present.
  
  
  Update the Consuming Application: If there have been changes to the entity structure, update the application or service that is consuming the data to align with the new structure.
  
  
  Review API Documentation: If you are working with APIs, consult the API documentation to ensure that you are using the correct version and that you understand the expected data format.
  
  
  Debugging: Use debugging tools to trace the data flow and identify where the mismatch is occurring. This may involve checking logs or using transaction codes in SAP to analyze the data being processed.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this issue. There may be known issues or updates that can resolve the problem.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation related to the specific module or functionality you are working with.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Version Control: Keep track of changes in your SAP environment, especially when upgrading or modifying configurations, to prevent such issues in the future.
  
  By following these steps, you should be able to diagnose and resolve the error related to the missing attribute during deserialization in SAP.