How To Fix /UI2/CDMCNV109 - .

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMCNV -

• Message number: 109

• 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/CDMCNV109 - . ?

  The SAP error message /UI2/CDMCNV109 typically relates to issues with the conversion of data types in the SAP Fiori/UI5 environment. This error can occur when there is a mismatch in the expected data type during the conversion process, often when dealing with OData services or when rendering UI elements.
  Cause:
  
  Data Type Mismatch: The error usually arises when the data being processed does not match the expected data type defined in the OData service or the UI5 application.
  Incorrect Mapping: There may be incorrect mappings between the backend data model and the frontend UI5 model.
  Null or Undefined Values: If the data being passed is null or undefined when a specific type is expected, this can trigger the error.
  Version Compatibility: Sometimes, the issue can stem from compatibility problems between different versions of SAP components or libraries.
  
  Solution:
  
  Check Data Types: Review the data types defined in your OData service and ensure that the data being sent matches these types. This includes checking for any null or undefined values.
  Debugging: Use debugging tools to trace the data flow and identify where the mismatch occurs. This can help pinpoint the exact location in the code or data where the issue arises.
  Update Mappings: If there are incorrect mappings, update them to ensure that the frontend and backend data models align correctly.
  Error Handling: Implement error handling in your application to gracefully manage situations where data may not be in the expected format.
  Check SAP Notes: Look for any relevant SAP Notes or updates that may address this specific error or provide patches that could resolve underlying issues.
  Consult Documentation: Review the SAP documentation for the specific version of the components you are using to ensure that you are following best practices.
  
  Related Information:
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  OData Service Documentation: Familiarize yourself with the OData service documentation to understand the expected data formats and types.
  
  By following these steps, you should be able to diagnose and resolve the /UI2/CDMCNV109 error in your SAP environment.