How To Fix SDDIC_ADT_DDLA901 - Unexpected token '&1', expected '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDIC_ADT_DDLA - Messages for Annotation Definition Design Time

• Message number: 901

• Message text: Unexpected token '&1', expected '&2'

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 SDDIC_ADT_DDLA901 - Unexpected token '&1', expected '&2' ?

  The SAP error message SDDIC_ADT_DDLA901 Unexpected token '&1', expected '&2' typically occurs in the context of ABAP Development Tools (ADT) when there is a syntax error in your ABAP code. This error indicates that the parser encountered a token (symbol or keyword) that it did not expect at that point in the code, and it was looking for a different token instead.
  Cause:
  
  
  Syntax Error: The most common cause is a syntax error in your ABAP code. This could be due to:
  
  Missing or misplaced punctuation (e.g., commas, semicolons).
  Incorrectly structured statements (e.g., missing keywords).
  Mismatched parentheses or brackets.
  Incorrect use of keywords or identifiers.
  
  
  
  Code Formatting: Sometimes, improper formatting or indentation can lead to confusion in the parser, causing it to misinterpret the structure of the code.
  
  
  Version Compatibility: If you are using features or syntax that are not supported in the version of ABAP you are working with, this can also lead to unexpected tokens.
  
  
  Solution:
  
  
  Check Syntax: Review the line of code indicated by the error message and the surrounding lines. Look for:
  
  Missing or extra punctuation.
  Correct use of keywords.
  Proper structure of statements.
  
  
  
  Use Syntax Check: In the ABAP editor, you can use the syntax check feature (usually available under the "Check" menu or by pressing Ctrl + F2) to identify the exact location of the syntax error.
  
  
  Refer to Documentation: If you are using specific ABAP features, refer to the official SAP documentation to ensure that you are using the correct syntax.
  
  
  Code Formatting: Ensure that your code is well-formatted and properly indented. This can help in visually identifying issues.
  
  
  Consult Community or Support: If you are unable to resolve the issue, consider reaching out to the SAP community forums or SAP support for assistance.
  
  
  Related Information:
  
  ABAP Syntax Reference: Familiarize yourself with the ABAP syntax rules and guidelines provided in the SAP Help Portal.
  Development Tools: Ensure that you are using the latest version of the ABAP Development Tools for Eclipse, as updates may include bug fixes and improvements.
  Error Handling: Implement proper error handling in your code to manage unexpected situations gracefully.
  
  By carefully reviewing your code and utilizing the tools available in the ABAP Development environment, you should be able to resolve the SDDIC_ADT_DDLA901 error effectively.