How To Fix /UI5/APP_API142 - Duplicate Id: Id &1 already contained in SAPUI5 Repository &2


/UI5/APP_API142 - Overview

  • Message type: E = Error

  • Message class: /UI5/APP_API -

  • Message number: 142

  • Message text: Duplicate Id: Id &1 already contained in SAPUI5 Repository &2

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  • 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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/UI5/APP_API142 - Details

  • The SAP error message /UI5/APP_API142 Duplicate Id: Id &1 already contained in SAPUI5 Repository &2 typically indicates that there is a duplicate identifier (ID) in the SAPUI5 application you are working on. This error occurs when the same ID is used for multiple UI5 components or controls within the same application or when the same ID is registered in the SAPUI5 repository.
    
    Cause: Duplicate IDs: The most common cause is that two or more UI5 controls or components are using the same ID. In UI5, each control must have a unique ID within the same view or component. Incorrect Component Registration: If a component is registered multiple times with the same ID in the SAPUI5 repository, it can lead to this error. Dynamic ID Generation: If IDs are generated dynamically and the logic does not ensure uniqueness, it can lead to duplicates.
    Solution: Check for Duplicate IDs: Review your code to ensure that all IDs assigned

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