How To Fix MQ859 - The data type should be CUKY

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 859

• Message text: The data type should be CUKY

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 MQ859 - The data type should be CUKY ?

  The SAP error message MQ859, which states "The data type should be CUKY," typically occurs in the context of data processing or data transfer, particularly when dealing with key fields in SAP systems. The error indicates that the system expected a certain data type (CUKY) but received a different one.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the data being processed does not match the expected data type. CUKY is a specific data type used in SAP for currency keys or similar identifiers.
  Incorrect Configuration: There may be a configuration issue in the system where the field is not set up correctly to accept the CUKY data type.
  Data Transfer Issues: If data is being imported or transferred from another system, the format or type of the data may not align with what SAP expects.
  Custom Development: If there are custom programs or enhancements, they may not be handling the data types correctly.
  
  Solution:
  
  Check Data Input: Ensure that the data being inputted or processed is of the correct type. If you are entering a currency key, make sure it is a valid currency code recognized by SAP.
  Review Configuration: Check the configuration settings in the relevant module (e.g., FI, MM) to ensure that the fields are set up correctly to accept CUKY data types.
  Data Mapping: If data is being transferred from another system, review the mapping of fields to ensure that the data types align correctly.
  Debug Custom Code: If the error arises from custom ABAP code, review the code to ensure that it is correctly handling the data types and converting them as necessary.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the CUKY data type and its expected usage.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the definitions of the fields involved and ensure they are set up correctly.
  Testing: If possible, replicate the issue in a test environment to better understand the conditions under which the error occurs.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the cause of the MQ859 error and implement a suitable solution.