How To Fix /IBX/UIF013 - Controller class &1 is not serializable

SAP Error Message - Details

• Message type: E = Error

• Message class: /IBX/UIF -

• Message number: 013

• Message text: Controller class &1 is not serializable

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IBX/UIF013 - Controller class &1 is not serializable ?

  The SAP error message /IBX/UIF013 Controller class &1 is not serializable typically indicates that there is an issue with the serialization of a controller class in the context of SAP UI5 or Fiori applications. 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 controller class mentioned 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.
  Complex Data Types: The controller may contain complex data types or references to non-serializable objects, which can lead to serialization issues.
  Framework Limitations: Sometimes, the framework or library being used may have limitations or specific requirements regarding serialization.
  
  Solution:
  
  Implement Serializable: Ensure that the controller class implements the Serializable interface (if applicable) and that all member variables are also serializable.
  Check Data Types: Review the data types used in the controller. Replace non-serializable types with serializable alternatives or ensure that they are properly handled.
  Use Transient Keyword: If there are certain fields that do not need to be serialized, you can mark them as transient (in Java) to exclude them from the serialization process.
  Review Framework Documentation: Check the documentation for the specific SAP framework you are using (e.g., SAP UI5, Fiori) for any guidelines or best practices regarding serialization.
  Debugging: Use debugging tools to trace the serialization process and identify which specific part of the controller is causing the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Look for discussions in SAP Community forums or Stack Overflow where other developers may have encountered and resolved similar issues.
  Documentation: Review the official SAP documentation for the specific version of the framework you are using to understand serialization requirements and best practices.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.