How To Fix ACI_COMPILER_GENERIC121 - Missing space

SAP Error Message - Details

• Message type: E = Error

• Message class: ACI_COMPILER_GENERIC - EXPERIMENTAL, DON'T USE (ACI: Generic Compiler Messages)

• Message number: 121

• Message text: Missing space

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 ACI_COMPILER_GENERIC121 - Missing space ?

  The SAP error message ACI_COMPILER_GENERIC121, which indicates "Missing space," typically arises during the compilation of ABAP code or when processing certain configurations in SAP. This error suggests that there is a syntax issue in the code or configuration where a space is expected but is missing.
  Cause:
  
  Syntax Error: The most common cause is a syntax error in the ABAP code where two tokens are concatenated without a space. For example, if you have a variable name immediately followed by a keyword or another variable without a space, it can trigger this error.
  Configuration Issues: In some cases, this error can also occur in configuration settings or when defining parameters in certain transactions or reports.
  
  Solution:
  
  
  Check the Code: Review the ABAP code where the error is reported. Look for any instances where two identifiers are concatenated without a space. For example:
  DATA: lv_value TYPE i.
  lv_value=5.  " This should be lv_value = 5.
  Ensure that there is a space before and after the assignment operator (=).
  
  
  Use the ABAP Editor: Utilize the ABAP editor (SE38 or SE80) to check for syntax errors. The editor will often highlight the line where the error occurs, making it easier to identify the issue.
  
  
  Check Configuration: If the error arises from a configuration setting, review the relevant configuration screens for any missing spaces or incorrect syntax.
  
  
  Debugging: If the error is not immediately apparent, consider using debugging tools to step through the code and identify where the compilation fails.
  
  
  Consult Documentation: If you are unsure about specific syntax rules or configurations, refer to the SAP documentation or help resources for guidance.
  
  
  Related Information:
  
  ABAP Syntax Rules: Familiarize yourself with the syntax rules of ABAP to avoid common pitfalls that lead to such errors.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional context.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By carefully reviewing the code and configurations, you should be able to resolve the ACI_COMPILER_GENERIC121 error effectively.