How To Fix CNV_DMC_MC_EXCEPTION056 - Key field '&1' is invalid. Use 'X' or ' '.

CNV_DMC_MC_EXCEPTION056 - Overview

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 056

• Message text: Key field '&1' is invalid. Use 'X' or ' '.

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_DMC_MC_EXCEPTION056 - Key field '&1' is invalid. Use 'X' or ' '. ?

  The SAP error message CNV_DMC_MC_EXCEPTION056 indicates that there is an issue with a key field in the Data Migration Cockpit (DMC) during a data migration process. Specifically, the error states that the key field represented by &1 is invalid and that it should be either 'X' (indicating a value) or ' ' (indicating no value).
  
  Cause:
  This error typically arises due to one of the following reasons:
  
  Incorrect Value: The key field is expected to have a specific value ('X' or ' '), but it has been provided with an invalid value.
  Data Mapping Issues: There may be a mismatch in the data mapping configuration, where the key field is not correctly defined or populated.
  Configuration Errors: The configuration settings for the migration process may not be set up correctly, leading to invalid key field values.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Key Field Value:
  
  Review the data being migrated and ensure that