How To Fix /IBX/UIF034 - Request class &1 is not serializable

SAP Error Message - Details

• Message type: E = Error

• Message class: /IBX/UIF -

• Message number: 034

• Message text: Request class &1 is not serializable

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 /IBX/UIF034 - Request class &1 is not serializable ?

  The SAP error message /IBX/UIF034 Request class &1 is not serializable typically indicates that there is an issue with the serialization of a request class in the context of SAP's UI Framework (UIF). Serialization is the process of converting an object into a format that can be easily stored or transmitted and then reconstructed later.
  Cause:
  
  Non-Serializable Class: The request class specified in the error message is not implementing the necessary interfaces or methods to be serializable. In Java, for example, a class must implement the Serializable interface to be serialized.
  Missing Annotations: If you are using a framework that relies on annotations for serialization, the required annotations might be missing.
  Complex Data Types: The class may contain fields that are themselves non-serializable or contain references to non-serializable objects.
  Configuration Issues: There may be configuration issues in the SAP system that prevent proper serialization of the request class.
  
  Solution:
  
  Implement Serializable: Ensure that the request class implements the necessary serialization interface. For Java, this means implementing the Serializable interface.
  Check Fields: Review the fields in the request class. If any fields are non-serializable, consider making them transient or changing their types to serializable ones.
  Add Annotations: If your framework requires specific annotations for serialization, ensure that they are correctly applied to the class and its fields.
  Review Configuration: Check the configuration settings in your SAP system to ensure that they are set up correctly for serialization.
  Debugging: Use debugging tools to trace the serialization process and identify where it fails. This can provide insights into what specifically is causing the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its documentation and provides fixes for common problems.
  Documentation: Review the official SAP documentation for the UI Framework and serialization practices to ensure compliance with best practices.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.