How To Fix ACM_SYNTAX156 - Statement "REDEFINITION" is only allowed in customer systems

ACM_SYNTAX156 - Overview

• Message type: E = Error

• Message class: ACM_SYNTAX - ACM: DCL Syntax Error Messages

• Message number: 156

• Message text: Statement "REDEFINITION" is only allowed in customer systems

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACM_SYNTAX156 - Statement "REDEFINITION" is only allowed in customer systems ?

  The SAP error message ACM_SYNTAX156, which states that the statement "REDEFINITION" is only allowed in customer systems, typically occurs in the context of ABAP programming when a developer attempts to use the REDEFINITION statement in a non-customer namespace or in a way that is not permitted by the system.
  
  Cause:
  
  Namespace Restrictions: The REDEFINITION statement is intended for use in customer namespaces (e.g., Z or Y namespaces). If you are trying to use it in a standard SAP namespace (e.g., A*), the system will throw this error.
  Incorrect Usage: The REDEFINITION statement may be used incorrectly or in an inappropriate context, such as outside of a class or interface where it is not allowed.
  System Configuration: The system may be configured in a way that restricts certain operations to customer-defined objects only.
  
  
  Solution:
  
  Check Namespace: Ensure that you are working within a customer namespace. If you are in a standard namespace, you will need to move