How To Fix ACM_SYNTAX137 - Annotation name &1 is used multiple times

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 137

• Message text: Annotation name &1 is used multiple times

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message ACM_SYNTAX137 - Annotation name &1 is used multiple times ?

  The SAP error message ACM_SYNTAX137, which states "Annotation name &1 is used multiple times," typically occurs in the context of ABAP programming, particularly when dealing with annotations in your code. This error indicates that a specific annotation name has been defined more than once in the same context, which is not allowed.
  Cause:
  
  Duplicate Annotations: The most common cause of this error is that the same annotation name is being used multiple times within the same class, interface, or method.
  Incorrect Syntax: There may be a syntax error in the way annotations are defined, leading to the system interpreting them as duplicates.
  Inheritance Issues: If you are using inheritance, the annotation might be inherited from a parent class or interface, and you are trying to redefine it in the child class.
  
  Solution:
  
  Check for Duplicates: Review your code to identify where the annotation is being defined multiple times. Ensure that each annotation name is unique within its context.
  Remove or Rename: If you find duplicate annotations, you can either remove the redundant ones or rename them to ensure uniqueness.
  Review Inheritance: If the annotation is inherited, consider whether you need to redefine it in the child class. If not, you can simply remove the redundant definition.
  Syntax Review: Ensure that the syntax used for defining annotations is correct. Refer to the SAP documentation for the correct usage of annotations.
  
  Related Information:
  
  SAP Documentation: Check the official SAP documentation for guidelines on using annotations in ABAP. This can provide insights into best practices and common pitfalls.
  ABAP Development Tools: Utilize tools like ABAP Development Tools (ADT) in Eclipse, which can help identify issues in your code, including duplicate annotations.
  Community Forums: If you are unable to resolve the issue, consider reaching out to SAP community forums or support channels where other developers may have encountered similar issues.
  
  By following these steps, you should be able to resolve the ACM_SYNTAX137 error and ensure that your annotations are correctly defined in your ABAP code.