How To Fix C1063 - Data type & not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 063

• Message text: Data type & not supported

What causes this issue?

You want to create a link between your characteristic and field &v2& in
table &v3&. However, data format &v1& of the table field, defined in
the R/3 Repository, is not supported by the characteristics system.
This means that no reference to field &v2& can be set up.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1063 - Data type & not supported ?

  The SAP error message C1063, which states "Data type & not supported," typically occurs when there is an issue with the data type being used in a particular context within the SAP system. This error can arise in various scenarios, such as during data processing, report generation, or when executing certain transactions.
  Causes:
  
  
  Unsupported Data Type: The most common cause is that the data type being used is not supported by the function module, method, or transaction you are trying to execute. This can happen if you are trying to pass a data type that is not recognized or not compatible with the expected input.
  
  
  Incorrect Field Mapping: If you are working with custom programs or enhancements, there may be a mismatch in the field mapping where a field is expected to be of a certain data type but is being passed a different type.
  
  
  Data Dictionary Issues: Sometimes, the issue can stem from the data dictionary where the data types defined for certain fields do not match the expected types in the program logic.
  
  
  Version Compatibility: If you are using an older version of SAP or a specific module that does not support certain data types introduced in newer versions, this error may occur.
  
  
  Solutions:
  
  
  Check Data Types: Review the data types being used in your program or transaction. Ensure that they match the expected data types for the function module or method you are calling.
  
  
  Field Mapping Verification: If you are working with custom developments, verify the field mappings to ensure that the correct data types are being used. Adjust the mappings as necessary.
  
  
  Data Dictionary Review: Check the data dictionary (SE11) for the relevant tables and fields to ensure that the data types are correctly defined and compatible with the operations you are performing.
  
  
  Debugging: If you have access to debugging tools, use the debugger to trace the execution of the program and identify where the unsupported data type is being introduced.
  
  
  Consult Documentation: Review the SAP documentation for the specific function module or transaction to understand the expected data types and any limitations.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this issue. There may be patches or updates that resolve compatibility issues with data types.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE37 (Function Module), and SE80 (Object Navigator) to help you investigate the issue.
  Data Types in ABAP: Understanding the different data types in ABAP (e.g., CHAR, NUMC, DATS, etc.) can help you troubleshoot the issue more effectively.
  Custom Development: If you are working with custom ABAP programs, ensure that you follow best practices for data type handling and validation.
  
  By following these steps, you should be able to identify and resolve the cause of the C1063 error in your SAP environment.