How To Fix ED157 - Function only supported for modifying structures

SAP Error Message - Details

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 157

• Message text: Function only supported for modifying structures

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ED157 - Function only supported for modifying structures ?

  The SAP error message ED157 ("Function only supported for modifying structures") typically occurs when you are trying to perform an operation that is not allowed on a particular type of data structure in SAP. This error is often encountered in the context of data dictionary objects, particularly when dealing with structures, tables, or views.
  
  Cause:
  
  Operation Type: The error usually arises when you attempt to use a function or method that is intended for modifying structures on a data object that is not a structure. For example, trying to modify a table or a view instead of a structure.
  Incorrect Data Type: The operation may be applied to a data type that does not support modification, such as a constant or a non-modifiable object.
  Context Misunderstanding: Sometimes, the context in which the function is called may not be appropriate for the operation being performed.
  
  
  Solution:
  
  Check Data Type: Ensure that the data object you are trying