How To Fix /UI5/MP_CP_APP009 - Exactly one single text key must be provided

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CP_APP -

• Message number: 009

• Message text: Exactly one single text key must be provided

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/MP_CP_APP009 - Exactly one single text key must be provided ?

  The SAP error message /UI5/MP_CP_APP009: Exactly one single text key must be provided typically occurs in the context of SAP Fiori applications or UI5 applications when there is an issue with the text keys used in the application. This error indicates that the application is expecting exactly one text key to be provided for a specific operation, but either none or multiple keys are being supplied.
  Cause:
  
  Missing Text Key: The application is trying to retrieve a text or label, but no text key has been provided.
  Multiple Text Keys: The application has been provided with multiple text keys when it expects only one.
  Configuration Issues: There may be a misconfiguration in the application settings or in the OData service that is being consumed.
  Data Binding Issues: If the application is using data binding, there may be an issue with how the data is bound to the UI elements.
  
  Solution:
  
  Check the Code: Review the code where the text key is being set. Ensure that you are providing exactly one text key where required.
  Review OData Service: If the application is consuming an OData service, check the service definition to ensure that it is correctly configured to return the expected text keys.
  Debugging: Use debugging tools to trace the execution of the application and identify where the text key is being set or retrieved. This can help pinpoint the source of the issue.
  UI5 Binding: If you are using data binding, ensure that the binding syntax is correct and that it is pointing to the right model and property.
  Check Annotations: If you are using annotations for text retrieval, ensure that they are correctly defined and that the application can access them.
  
  Related Information:
  
  SAP Fiori Elements: If you are using Fiori Elements, ensure that your annotations are correctly defined in the metadata.
  SAP UI5 Documentation: Refer to the official SAP UI5 documentation for guidelines on text keys and binding.
  Community Forums: Check SAP Community forums or Stack Overflow for similar issues and solutions shared by other developers.
  SAP Notes: Look for any relevant SAP Notes that might address known issues related to this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the /UI5/MP_CP_APP009 error message.