How To Fix B1523 - Function module & already exists in group &.

B1523 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 523

• Message text: Function module & already exists in group &.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B1523 - Function module & already exists in group &. ?

  The SAP error message B1523 indicates that a function module already exists in the specified function group. This error typically occurs when you attempt to create or activate a function module that has the same name as an existing one within the same function group.
  
  Cause:
  
  Duplicate Function Module Name: You are trying to create a function module with a name that already exists in the specified function group.
  Transport Issues: If you are working in a transport environment, it is possible that the function module was created in another system and transported to your current system, leading to a naming conflict.
  Development Errors: Sometimes, developers may inadvertently try to create a function module with the same name due to lack of awareness of existing modules.
  
  
  Solution:
  
  
  Check Existing Function Modules: 
  
  Use transaction code SE37 (Function Builder) to check if the function module already exists in the specified function group. 
  If it does exist, you may