How To Fix CNV_MBT_KP001 - empty & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_KP - Knowledge pool

• Message number: 001

• Message text: empty & is not allowed

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 CNV_MBT_KP001 - empty & is not allowed ?

  The SAP error message CNV_MBT_KP001 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. The message indicates that a certain field is empty and that this is not allowed according to the validation rules set in the system.
  Cause:
  
  Missing Required Fields: The error usually arises when a mandatory field in the data being migrated is left empty. This could be due to incorrect mapping, missing data in the source system, or issues in the data preparation phase.
  Data Format Issues: Sometimes, the data format might not match the expected format in the target system, leading to validation failures.
  Configuration Issues: There may be configuration settings in the target system that enforce certain rules, making it necessary for specific fields to be populated.
  
  Solution:
  
  Check Data Source: Review the source data to ensure that all required fields are populated. If any mandatory fields are empty, fill them with the appropriate values.
  Mapping Review: Verify the mapping configuration in the migration tool to ensure that all necessary fields are correctly mapped from the source to the target.
  Data Validation: Use data validation tools or scripts to check for empty fields or incorrect formats before running the migration again.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the required fields and their constraints.
  Error Logs: Check the error logs for more detailed information about which specific field is causing the issue. This can help pinpoint the exact problem.
  Testing: Conduct a test migration with a smaller dataset to identify and resolve issues before performing a full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools for data mapping, validation, and error handling.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can offer insights or solutions.
  
  By addressing the root cause of the empty field and ensuring that all required data is correctly populated and formatted, you should be able to resolve the CNV_MBT_KP001 error and proceed with your data migration successfully.