How To Fix 37420 - There is already a Control Composite for Custom Control &1


37420 - Overview

  • Message type: E = Error

  • Message class: 37 - Screen Painter

  • Message number: 420

  • Message text: There is already a Control Composite for Custom Control &1

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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.

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



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37420 - Details

  • The SAP error message "37420: There is already a Control Composite for Custom Control &1" typically occurs in the context of SAP UI5 or SAP Fiori applications when there is an attempt to create or instantiate a control composite that has already been created. This can happen due to various reasons, such as duplicate initialization of a control or incorrect handling of the lifecycle of UI components.
    
    Cause: Duplicate Initialization: The error often arises when the same control is being initialized multiple times in the application, leading to conflicts. Improper Lifecycle Management: If the control is not properly destroyed or cleaned up before being re-initialized, it can lead to this error. Code Logic Issues: There may be logical errors in the code that lead to the creation of the same control multiple times.
    Solution: Check Initialization Logic: Review the code to ensure that the control is only being initialized once. Use flags or checks to prevent

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