How To Fix CNV_PE_CHECK_V2109 - Trans. opt. &1, step &2, par. &3: Source field &4 is not allowed

CNV_PE_CHECK_V2109 - Overview

• Message type: E = Error

• Message class: CNV_PE_CHECK_V2 - Check Messages (Version 2020)

• Message number: 109

• Message text: Trans. opt. &1, step &2, par. &3: Source field &4 is not allowed

What causes this issue?

Field mapping of transfer step parameter &V3& has one of the following
formats:
Transfer step parameter &V3& shall be filled from a source field &V4&.
Transfer step parameter &V3& shall be filled using rule. Source field
&V4& is assigned to an importing parameter of the rule.
Source field &V4& belongs to a table with a data transfer limitation.
Fields of such tables can <ZH>not</> be assigned as source fields to the
transfer step parameters or importing parameters of rules.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Assign another source field to the parameter or remove the corresponding
data transfer limitation.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_PE_CHECK_V2109 - Details

• The SAP error message CNV_PE_CHECK_V2109 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a specific source field is not allowed in the context of the operation being performed.
  
  Cause:
  The error message can arise due to several reasons:
  
  Field Mapping Issues: The source field specified in the error message is not mapped correctly to a target field in the migration process.
  Data Type Mismatch: The data type of the source field may not be compatible with the target field.
  Business Logic Constraints: Certain fields may be restricted based on business rules or configurations in the target system.
  Configuration Errors: The migration configuration may not allow the use of the specified source field due to settings in the migration project.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Field Mapping:
  
  Review the mapping of the source fields to the target fields in