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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_CHECK_V2109 - Trans. opt. &1, step &2, par. &3: Source field &4 is not allowed ?

  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 your migration project. Ensure that the source field mentioned in the error is correctly mapped.
  
  
  
  Verify Data Types:
  
  Ensure that the data types of the source field are compatible with the target field. If there is a mismatch, you may need to transform the data accordingly.
  
  
  
  Review Migration Rules:
  
  Check the migration rules and configurations to see if there are any restrictions on the use of the source field. Adjust the rules if necessary.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration scenario you are working on. There may be guidelines or restrictions regarding the fields that can be used.
  
  
  
  Test with Sample Data:
  
  If possible, test the migration with a smaller set of data to isolate the issue and understand the context in which the error occurs.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide insights based on the specific details of your migration project.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common issues and their resolutions.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.