How To Fix ST_BUILDER_MESSAGES059 - &1 is not a valid ABAP variable name

SAP Error Message - Details

• Message type: E = Error

• Message class: ST_BUILDER_MESSAGES - Short texts for the ST-Builder

• Message number: 059

• Message text: &1 is not a valid ABAP variable name

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ST_BUILDER_MESSAGES059 - &1 is not a valid ABAP variable name ?

  The SAP error message ST_BUILDER_MESSAGES059 indicates that the name you are trying to use as an ABAP variable is not valid. This can occur in various contexts, such as when defining variables in ABAP programs, function modules, or methods.
  Cause:
  The error is typically caused by one of the following issues:
  
  Invalid Characters: The variable name contains characters that are not allowed. ABAP variable names must start with a letter and can only contain letters, numbers, and underscores.
  Length Exceeded: The variable name exceeds the maximum length allowed for ABAP variable names, which is 30 characters.
  Reserved Keywords: The variable name is a reserved keyword in ABAP or conflicts with existing identifiers.
  Incorrect Naming Conventions: The variable name does not follow the naming conventions set by your organization or SAP standards.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Naming Rules: Ensure that the variable name adheres to the ABAP naming conventions:
  
  Must start with a letter (A-Z, a-z).
  Can contain letters, numbers (0-9), and underscores (_).
  Must not exceed 30 characters in length.
  Should not be a reserved keyword.
  
  
  
  Rename the Variable: If the variable name is invalid, rename it to a valid name that follows the above rules.
  
  
  Avoid Reserved Keywords: If the name conflicts with a reserved keyword, choose a different name that does not conflict.
  
  
  Use Descriptive Names: While renaming, consider using descriptive names that reflect the purpose of the variable, which can improve code readability.
  
  
  Related Information:
  
  ABAP Naming Conventions: Familiarize yourself with the ABAP naming conventions and best practices. SAP documentation provides guidelines on how to name variables, types, and other identifiers.
  ABAP Development Tools: Use the ABAP Development Tools (ADT) in Eclipse or the ABAP Workbench (SE80) to help identify and correct naming issues. These tools often provide real-time syntax checking and suggestions.
  Debugging: If you encounter this error during runtime, check the context in which the variable is being used to ensure it is defined and initialized properly.
  
  By following these guidelines, you should be able to resolve the error and successfully define your ABAP variable.