How To Fix CNV_CMIS_M018 - Initial mapping values are not permitted; enter a value

CNV_CMIS_M018 - Overview

• Message type: E = Error

• Message class: CNV_CMIS_M - Message class for CMIS Migration

• Message number: 018

• Message text: Initial mapping values are not permitted; enter a value

Self-Explanatory Message

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CNV_CMIS_M018 - Details

• The SAP error message CNV_CMIS_M018 indicates that during a data migration or conversion process, initial mapping values are not allowed, and the user is required to enter a valid value. This error typically occurs in the context of the SAP Conversion Management Information System (CMIS) or during data migration activities using tools like SAP S/4HANA Migration Cockpit or SAP Data Services.
  
  Cause:
  
  Initial Mapping Values: The error suggests that the system has encountered a situation where it expects a specific mapping value to be provided, but the input is either empty or set to an initial/default value that is not acceptable.
  
  Configuration Issues: There may be a misconfiguration in the mapping settings or the data source that leads to the absence of required values.
  Data Quality Issues: The source data may not contain the necessary values, or there may be inconsistencies in the data that prevent proper mapping.
  
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in