How To Fix CNV_20700040 - Parameter &1 could not be created in table CNV_00001_PARAMS

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 040

• Message text: Parameter &1 could not be created in table CNV_00001_PARAMS

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 CNV_20700040 - Parameter &1 could not be created in table CNV_00001_PARAMS ?

  The SAP error message CNV_20700040 indicates that a parameter could not be created in the table CNV_00001_PARAMS during a data conversion or migration process. This error is typically associated with the SAP Landscape Transformation (SLT) or other data migration tools.
  Cause:
  
  Missing Authorization: The user executing the operation may not have the necessary authorizations to create entries in the specified table.
  Database Constraints: There may be constraints or restrictions in the database that prevent the creation of the parameter, such as primary key violations or unique constraints.
  Incorrect Configuration: The configuration settings for the data migration process may be incorrect, leading to issues when trying to create parameters.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the SAP system itself.
  
  Solution:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create entries in the CNV_00001_PARAMS table. You may need to consult with your SAP security team to verify and adjust the user's roles and permissions.
  Review Database Constraints: Check the database for any constraints that might be preventing the creation of the parameter. This includes checking for existing entries that might conflict with the new entry.
  Validate Configuration: Review the configuration settings for the data migration process to ensure that they are set up correctly. This may involve checking the parameters being passed and ensuring they are valid.
  Check Logs: Look at the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on similar issues.
  Technical Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a technical issue with the system.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to inspect the structure of the CNV_00001_PARAMS table and see if there are any issues with its definition.
  SAP Documentation: Review the official SAP documentation related to the data migration tools you are using, as they may provide additional insights or troubleshooting steps.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed, as other users may have encountered and resolved the same error.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.