How To Fix CNV_MBT486 - Missing param. in table CNVMBTACTPARAM! System message cannot be created.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 486

• Message text: Missing param. in table CNVMBTACTPARAM! System message cannot be created.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT486 - Missing param. in table CNVMBTACTPARAM! System message cannot be created. ?

  The SAP error message CNV_MBT486 indicates that there is a missing parameter in the table CNVMBTACTPARAM. This error typically arises during the execution of a migration or conversion process, particularly when using the SAP Migration Cockpit or similar tools.
  Cause:
  The error is caused by the absence of required parameters in the CNVMBTACTPARAM table, which is used to store parameters for the migration or conversion process. This can happen due to several reasons:
  
  The migration project was not set up correctly.
  Required parameters were not defined or were deleted.
  There may be inconsistencies in the configuration or setup of the migration project.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check the Table CNVMBTACTPARAM:
  
  Use transaction code SE11 to view the structure of the table CNVMBTACTPARAM.
  Check if the required parameters are missing or if there are any inconsistencies.
  
  
  
  Review Migration Project Configuration:
  
  Go to the migration project settings and ensure that all necessary parameters are defined.
  If you have a backup or documentation of the expected parameters, compare them with the current configuration.
  
  
  
  Recreate Missing Parameters:
  
  If you identify missing parameters, you may need to recreate them manually or through the migration tool.
  Ensure that you follow the correct format and data types as required by the migration process.
  
  
  
  Check for Notes and Updates:
  
  Look for any SAP Notes related to the error message CNV_MBT486. SAP may have provided patches or updates that address this issue.
  Use transaction code SNOTE to check for relevant notes.
  
  
  
  Consult SAP Documentation:
  
  Review the official SAP documentation for the migration tool you are using. There may be specific instructions or prerequisites that need to be fulfilled.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SNOTE (SAP Notes), SE80 (Object Navigator).
  Migration Tools: SAP S/4HANA Migration Cockpit, SAP Data Services.
  SAP Notes: Always check for the latest SAP Notes that may address known issues or provide additional guidance.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_MBT486 error message.