How To Fix /UI2/MIGRATION303 - Deprecation is only allowed for error E05 and E06.

/UI2/MIGRATION303 - Overview

• Message type: E = Error

• Message class: /UI2/MIGRATION -

• Message number: 303

• Message text: Deprecation is only allowed for error E05 and E06.

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.

Unfortunately, there isn't any extra information in this error notice.

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/UI2/MIGRATION303 - Details

• The SAP error message /UI2/MIGRATION303 indicates that there is an issue related to the deprecation of certain UI elements or components in the SAP Fiori/UI5 framework. This error typically arises during the migration of applications or when trying to use deprecated features that are not allowed in certain contexts.
  
  Cause:
  The error message specifically states that deprecation is only allowed for error codes E05 and E06. This means that the system has encountered a situation where a deprecated feature is being used in a context that does not permit it, or that the migration process is trying to deprecate something that is not allowed.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Code: Review the code of the application or component that is causing the error. Look for any deprecated features or elements that are being used. You may need to update or replace these with their recommended alternatives.
  
  
  Review Migration Guidelines: