How To Fix FDT_DEPLOYMENT123 - Incompatible element &1: Severity of existence check changed

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_DEPLOYMENT - Messages for deployment

• Message number: 123

• Message text: Incompatible element &1: Severity of existence check changed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_DEPLOYMENT123 - Incompatible element &1: Severity of existence check changed ?

  The SAP error message FDT_DEPLOYMENT123 indicates that there is an issue with the deployment of a field or element in the context of SAP Fiori or SAP UI5 applications. Specifically, the message states that the "Severity of existence check changed" for an incompatible element. This typically occurs when there is a mismatch in the configuration or definition of a field or element that is being deployed.
  
  Cause:
  
  Changes in Field Definition: The error often arises when there have been changes to the field definitions in the backend system, such as changes in the data model or the way existence checks are defined for certain fields.
  Inconsistent Metadata: If the metadata for the field in the frontend does not match the backend definition, it can lead to this error.
  Version Mismatch: If there are different versions of the application or components being used, it can lead to compatibility issues.
  Transport Issues: If the transport of changes