How To Fix ACI_COMPILER_GENERIC010 - expected "&2" not "&1"

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 010

• Message text: expected "&2" not "&1"

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 ACI_COMPILER_GENERIC010 - expected "&2" not "&1" ?

  The SAP error message ACI_COMPILER_GENERIC010, which states "expected '&2' not '&1'", typically occurs during the compilation of ABAP code or when working with the ABAP Compiler Interface (ACI). This error indicates that the compiler encountered an unexpected token or value in the code, which does not match the expected syntax or structure.
  Cause:
  
  Syntax Error: The most common cause is a syntax error in the ABAP code. This could be due to a missing or misplaced keyword, operator, or punctuation.
  Data Type Mismatch: The error may arise from a mismatch between expected and actual data types. For example, if the code expects a certain type of variable but receives a different type.
  Incorrect Structure: If the structure of the code (like loops, conditions, or function calls) is not correctly formed, it can lead to this error.
  Version Compatibility: Sometimes, using features or syntax that are not supported in the current version of the ABAP environment can trigger this error.
  
  Solution:
  
  Check Syntax: Review the ABAP code for any syntax errors. Use the ABAP Editor (SE38 or SE80) to check for syntax highlighting or errors.
  Review Data Types: Ensure that the data types of variables and parameters match what is expected in the code. Use the Data Dictionary (SE11) to verify data types.
  Correct Structure: Make sure that the structure of your code is correct. This includes checking loops, conditions, and function calls for proper syntax.
  Use Syntax Check: Utilize the syntax check feature in the ABAP Editor to identify and correct errors before executing the code.
  Consult Documentation: If you are using specific functions or features, refer to the SAP documentation to ensure they are supported in your version.
  Debugging: If the error persists, consider using debugging tools to step through the code and identify where the mismatch occurs.
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for detailed information on syntax and data types.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other developers who may have encountered similar issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to the ACI compiler or specific ABAP syntax.
  
  By carefully reviewing the code and following the above steps, you should be able to resolve the ACI_COMPILER_GENERIC010 error effectively.