How To Fix FM_SUBSET_E009 - First select a substring

FM_SUBSET_E009 - Overview

• Message type: E = Error

• Message class: FM_SUBSET_E - Message class for Master Data substrings' groups

• Message number: 009

• Message text: First select a substring

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FM_SUBSET_E009 - First select a substring ?

  The SAP error message FM_SUBSET_E009 with the description "First select a substring" typically occurs in the context of using function modules or when working with string operations in ABAP (Advanced Business Application Programming). This error indicates that a substring operation is being attempted without first specifying or selecting a valid substring.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  Invalid Substring Selection: The program is trying to access a substring of a string without defining the starting position and length of the substring.
  Empty or Null Input: The input string may be empty or null, leading to an invalid operation when trying to extract a substring.
  Incorrect Logic: There may be a logical error in the code where the substring selection is not properly handled before the operation is executed.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Substring Logic: Ensure that the code correctly specifies the starting position and