How To Fix /IBX/UIF020 - Model class &1 is not serializable

/IBX/UIF020 - Overview

• Message type: E = Error

• Message class: /IBX/UIF -

• Message number: 020

• Message text: Model 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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/IBX/UIF020 - Details

• The SAP error message /IBX/UIF020 Model class &1 is not serializable typically indicates that there is an issue with the serialization of a model 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 model class referenced 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 model may contain complex data types or references to other non-serializable objects, which can lead to serialization issues.
  Missing Annotations: In some cases, missing or incorrect annotations in the model class can prevent proper serialization.
  Framework Limitations: Certain frameworks or libraries may have specific requirements for serialization that are not being met.
  
  
  Solution:
  
  Implement Serializable Interface: Ensure that the model class