How To Fix STOBJ156 - Attribute name & exists multiple times

SAP Error Message - Details

• Message type: E = Error

• Message class: STOBJ - Dictionary Structured Objects

• Message number: 156

• Message text: Attribute name & exists multiple times

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message STOBJ156 - Attribute name & exists multiple times ?

  The SAP error message STOBJ156 indicates that there is a problem with the attribute name in the context of a data object or structure. Specifically, it means that the attribute name you are trying to use exists multiple times within the same context, which leads to ambiguity.
  Cause:
  
  
  Duplicate Attribute Names: The most common cause of this error is that the same attribute name has been defined more than once in the same structure or context. This can happen in various scenarios, such as:
  
  When defining a structure or table type in ABAP.
  When using a data dictionary object that has overlapping attribute names.
  When importing or generating code that includes duplicate definitions.
  
  
  
  Inconsistent Naming Conventions: If different developers or teams are working on the same project without a consistent naming convention, it can lead to duplicate attribute names.
  
  
  Solution:
  To resolve the STOBJ156 error, you can take the following steps:
  
  
  Identify Duplicate Attributes:
  
  Check the data structure or object definition where the error occurs.
  Look for attributes with the same name and determine their context.
  
  
  
  Rename Attributes:
  
  If you find duplicate attribute names, rename them to ensure that each attribute has a unique name within the same context.
  Use meaningful names that reflect the purpose of the attribute to avoid confusion.
  
  
  
  Review Data Dictionary Objects:
  
  If the error is related to a data dictionary object, review the definitions in the Data Dictionary (SE11) to ensure there are no duplicates.
  
  
  
  Check for Inheritance:
  
  If you are using inheritance in your classes or structures, ensure that the base class or structure does not have attributes with the same name as those in the derived class.
  
  
  
  Recompile and Test:
  
  After making the necessary changes, recompile the program or object and test to ensure that the error is resolved.
  
  
  
  Related Information:
  
  ABAP Development: Understanding how to define structures, tables, and classes in ABAP is crucial for avoiding such errors.
  Naming Conventions: Establishing and adhering to naming conventions within your development team can help prevent duplicate names and improve code readability.
  SAP Notes: Check SAP Notes and documentation for any specific guidance or updates related to this error message, as SAP may provide additional context or solutions based on the version you are using.
  
  By following these steps, you should be able to resolve the STOBJ156 error and prevent it from occurring in the future.