How To Fix /UI2/CDMCNV123 - .

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMCNV -

• Message number: 123

• Message text: .

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CDMCNV123 - . ?

  The SAP error message /UI2/CDMCNV123 typically relates to issues with the conversion of data types or structures in the context of SAP Fiori or UI5 applications. This error can occur when there is a mismatch in the expected data format or when the data being processed does not conform to the required structure.
  Cause:
  
  Data Type Mismatch: The error may arise when the data being passed to a UI5 application does not match the expected data types defined in the OData service.
  Inconsistent Data Structure: If the data structure returned by the backend does not align with what the frontend expects, it can lead to this error.
  Configuration Issues: Incorrect configuration in the OData service or the Fiori application can also lead to this error.
  Backend Changes: Changes in the backend data model or service definitions that are not reflected in the frontend can cause this issue.
  
  Solution:
  
  Check OData Service: Verify the OData service being used by the application. Ensure that the data types and structures are correctly defined and match what the frontend expects.
  Debugging: Use the browser's developer tools to inspect the network requests and responses. Look for any discrepancies in the data being returned by the OData service.
  Update Metadata: If there have been changes in the backend, ensure that the metadata in the frontend application is updated accordingly. This may involve regenerating the service or refreshing the metadata.
  Error Handling: Implement proper error handling in the application to gracefully manage unexpected data formats or structures.
  Consult Documentation: Refer to SAP documentation or community forums for any known issues related to this error message and potential fixes.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Fiori/UI5 Documentation: Review the official SAP Fiori and UI5 documentation for best practices in data binding and OData service consumption.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.