How To Fix /UIF/LREP_CORE_MSG028 - Change type &1 is not registered

/UIF/LREP_CORE_MSG028 - Overview

• Message type: E = Error

• Message class: /UIF/LREP_CORE_MSG -

• Message number: 028

• Message text: Change type &1 is not registered

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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/UIF/LREP_CORE_MSG028 - Details

• The SAP error message /UIF/LREP_CORE_MSG028 Change type &1 is not registered typically occurs in the context of the SAP UI Framework, particularly when dealing with the SAP Fiori or UI5 applications. This error indicates that the system is trying to process a change type that has not been properly registered or defined in the system.
  
  Cause:
  
  Unregistered Change Type: The change type specified in the error message (&1) is not recognized by the system because it has not been registered in the relevant configuration or customization settings.
  Missing Configuration: The necessary configuration for the change type may be missing or incorrectly set up in the backend.
  Transport Issues: If the change type was recently transported from another system, it may not have been properly activated or registered in the target system.
  Development Errors: If you are developing custom applications or extensions, there may be an error in the code where the change type is defined