How To Fix J3571 - Specified source field & does not exist

J3571 - Overview

• Message type: E = Error

• Message class: J3 - Dialog Messages for Data Pool Entry Transactions

• Message number: 571

• Message text: Specified source field & does not exist

What causes this issue?

Entry &V1& does not exist in the system as a source field in the data
selection control field for product group &V2& and rule &V3&.
According to the rule, the source field should have been tested as
empty, but it does not exist.

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?

The control table should only be modified by SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message J3571 - Specified source field & does not exist ?

  The SAP error message J3571, which states "Specified source field & does not exist," typically occurs in the context of data transfer or data mapping processes, such as during the execution of a data migration, data upload, or when working with data transfer tools like LSMW (Legacy System Migration Workbench) or BAPIs (Business Application Programming Interfaces).
  
  Cause:
  
  Field Name Mismatch: The specified source field in your data mapping does not match any existing field in the target structure or table. This could be due to a typo or incorrect field name.
  Field Not Defined: The field may not be defined in the data structure you are trying to use. This can happen if the field was removed or renamed in a recent update or if you are using an outdated data structure.
  Incorrect Data Source: The data source you are using may not contain the specified field, either because it is not part of