How To Fix CNV_20700090 - &1 of &2 material numbers are participating in conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 090

• Message text: &1 of &2 material numbers are participating in conversion

What causes this issue?

Not all the material numbers present in material master table (MARA)
participate in conversion.

How to fix this error?

If you wish to rename all the material numbers present in the system ,
specify the remaining material numbers in the mapping.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20700090 - &1 of &2 material numbers are participating in conversion ?

  The SAP error message CNV_20700090 indicates that a certain number of material numbers are involved in a conversion process, which is typically related to data migration or transformation activities, especially during system upgrades or migrations (like from SAP R/3 to S/4HANA).
  Cause:
  This error usually arises during a data conversion process when the system detects that there are material numbers that are still linked to certain processes or transactions. This could be due to:
  
  Active Transactions: The materials are still being used in active transactions, such as sales orders, purchase orders, or inventory movements.
  Incomplete Data Migration: The data migration process has not been completed successfully, and some materials are still in the old format or structure.
  Configuration Issues: There may be configuration settings that prevent the conversion from proceeding.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Active Transactions: Review the materials mentioned in the error message to see if they are involved in any active transactions. You can use transaction codes like ME23N (Display Purchase Order) or VA03 (Display Sales Order) to check for any open documents.
  
  
  Complete or Cancel Transactions: If you find that the materials are involved in transactions, you may need to complete or cancel those transactions before proceeding with the conversion.
  
  
  Data Consistency Check: Run data consistency checks to ensure that all related data is in the correct state for conversion. This may involve using transaction codes like SE38 to run specific reports or programs related to data migration.
  
  
  Review Migration Cockpit: If you are using the SAP Migration Cockpit, check the logs and details for any specific issues related to the materials in question.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or conversion process you are undertaking. There may be specific guidelines or prerequisites that need to be followed.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and the context of the error.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for checking material status and transaction history.
  SAP Notes: Look for SAP Notes related to the specific error message or the conversion process you are working on.
  Data Migration Tools: Understand the tools and methodologies available for data migration in SAP, such as the SAP Data Services or SAP S/4HANA Migration Cockpit.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate actions to resolve it.