How To Fix CFD_APPL_RUNTIME012 - Mapping class &1 of Association Target &2 is not instantiatable.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_APPL_RUNTIME - Custom Fields: Application Runtime Messages

• Message number: 012

• Message text: Mapping class &1 of Association Target &2 is not instantiatable.

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 CFD_APPL_RUNTIME012 - Mapping class &1 of Association Target &2 is not instantiatable. ?

  The SAP error message CFD_APPL_RUNTIME012 indicates that there is an issue with the mapping class of an association target in your SAP application. This error typically arises in the context of SAP Cloud Application Programming (CAP) or when working with OData services in SAP systems.
  Cause:
  The error message "Mapping class &1 of Association Target &2 is not instantiatable" usually occurs due to one of the following reasons:
  
  
  Abstract Class: The mapping class specified is an abstract class. Abstract classes cannot be instantiated directly, which leads to this error.
  
  
  Missing Implementation: The mapping class may not have a concrete implementation or may not be properly defined in the system.
  
  
  Configuration Issues: There may be issues in the configuration of the association or the mapping class in the data model.
  
  
  Incorrect Class Name: The class name specified in the mapping might be incorrect or misspelled.
  
  
  Dependency Issues: There may be dependencies that are not met, such as missing libraries or components that the mapping class relies on.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Class Definition: Verify that the mapping class is not abstract and has a concrete implementation. If it is abstract, you will need to create a concrete subclass that implements the necessary methods.
  
  
  Review Configuration: Check the configuration of the association and ensure that the mapping class is correctly defined in the data model. Make sure that all necessary properties and associations are properly configured.
  
  
  Correct Class Name: Ensure that the class name specified in the mapping is correct and matches the actual class name in the system.
  
  
  Check Dependencies: Ensure that all dependencies required by the mapping class are available and correctly configured in your environment.
  
  
  Debugging: If the issue persists, consider enabling debugging or logging to get more detailed information about the error. This can help identify the specific point of failure.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the requirements and constraints related to mapping classes and associations.
  
  
  Seek Help from SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP Community or SAP Support for assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  Related Information:
  
  SAP Documentation: Check the official SAP Help Portal for documentation related to the specific version of SAP you are using.
  SAP Notes: Look for relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Community Forums: Engage with the SAP Community forums where other users may have encountered similar issues and can offer solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the CFD_APPL_RUNTIME012 error in your SAP application.