How To Fix EM127 - Field name format is invalid

EM127 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 127

• Message text: Field name format is invalid

What causes this issue?

You entered a field name that does not have a valid format.
Please note the following:
The field name must begin with a letter.
The field name may only consist of letters A to Z, digits 0 to 9, and _
or -.

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?

INCLUDE ISU_KORR OBJECT DOKU ID TX

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 EM127 - Field name format is invalid ?

  The SAP error message EM127, which states "Field name format is invalid," typically occurs when there is an issue with the naming convention or format of a field in a data structure, such as a table, structure, or report. This error can arise in various contexts, including ABAP programming, data dictionary definitions, or when working with custom fields.
  Causes:
  
  Invalid Characters: The field name may contain invalid characters or spaces. SAP field names must adhere to specific naming conventions, such as starting with a letter and containing only alphanumeric characters and underscores.
  Length Exceeded: The field name may exceed the maximum length allowed by SAP, which is typically 30 characters.
  Reserved Keywords: The field name may be using a reserved keyword or a name that conflicts with existing SAP objects.
  Incorrect Data Element: If the field is referencing a data element, the data element itself may have an invalid name or format.
  Namespace Issues: If you