Message type: E = Error
Message class:  CNV_CMIS_M - Message class for CMIS Migration 
Message number: 041
Message text: Enter an existing field name for table &
The entered field name is not valid with regard to the selected table
name. This can occur for one of the following reasons:
The field name does not exist within the selected table.
There is already a rule assigned to this field (only one rule can be
assigned to a table field).
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Enter a valid field name that is a field of the selected database table
and is not already assigned to a different rule.
<ZH>Note: </>
The input help (F4) only lists field names that are not yet assigned to
a migration rule.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_CMIS_M041 typically occurs during data migration or conversion processes, particularly when using the SAP Conversion Management Information System (CMIS). This error indicates that a field name specified for a particular table does not exist or is not recognized in the system.
Cause: Non-Existent Field: The field name you are trying to use does not exist in the specified table. Typographical Error: There may be a typo in the field name you entered. Incorrect Table Name: The table name specified may be incorrect, leading to the system not recognizing the field. Field Deletion: The field may have been deleted or renamed in the database schema. Data Dictionary Issues: There may be inconsistencies or issues in the data dictionary that prevent the system from recognizing the field.
Solution: Verify Field Name: Check the field name you are entering against the actual field names in the specified table. You can do this by using transaction codes like
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_CMIS_M040 Enter an existing table name
What causes this issue?  The table name entered into the corresponding text field is not a valid table name for rule assignments to table fields.Syste...
CNV_CMIS_M039 No Index defined for table &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_CMIS_M042 Rule & is referenced by at least one field and may not be deleted
What causes this issue?  The rule currently selected for deletion is referenced by a rule definition on at least one table field. Therefore, you canno...
CNV_CMIS_M043 Parameter value is neither a literal ('...') nor a valid field name
What causes this issue?  The entered parameter value is neither a fixed literal value encapsulated in '...' nor a valid field name of the sp...
Click on this link to search all SAP messages.