How To Fix CNV_PE_GEN127 - Field name &1 is not valid

CNV_PE_GEN127 - Overview

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 127

• Message text: Field name &1 is not valid

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

CNV_PE_GEN127 - Details

• The SAP error message CNV_PE_GEN127, which states "Field name &1 is not valid," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that the field name specified in the migration or conversion process does not exist or is not recognized in the target system.
  Causes:
  
  Incorrect Field Name: The field name specified in the mapping or configuration does not match any field in the target database or structure.
  Field Not Available: The field may not be available in the version of the SAP system you are using, or it may have been deprecated or replaced in the target system.
  Typographical Errors: There may be a typo in the field name, leading to the system not recognizing it.
  Data Model Changes: If there have been changes in the data model (e.g., during an upgrade or migration), certain fields may have been