How To Fix SDDIC_ADT_DDLX901 - Unexpected token '&1', expected '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDIC_ADT_DDLX - Messages for CDS Metadata Extension

• 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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDIC_ADT_DDLX901 - Unexpected token '&1', expected '&2' ?

  The SAP error message SDDIC_ADT_DDLX901 Unexpected token '&1', expected '&2' typically occurs in the context of ABAP Development Tools (ADT) when there is a syntax error in the code being processed. This error indicates that the parser encountered a token (symbol or keyword) that it did not expect, and it was looking for a different token instead.
  Cause:
  
  
  Syntax Error: The most common cause of this error is a syntax error in your ABAP code. This could be due to:
  
  Missing or misplaced punctuation (e.g., commas, semicolons, parentheses).
  Incorrectly structured statements (e.g., missing keywords or clauses).
  Typographical errors in variable names or keywords.
  
  
  
  Incompatible Code: 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.
  
  
  Code Generation Issues: If the code is being generated dynamically or through a tool, there may be issues in the generation logic that lead to invalid syntax.
  
  
  Solution:
  
  
  Check Syntax: Review the code around the location indicated by the error message. Look for:
  
  Missing or extra punctuation.
  Correct use of keywords and clauses.
  Proper structure of statements.
  
  
  
  Use Syntax Check: Utilize the syntax check feature in the ABAP editor (transaction SE80 or SE38) to identify and correct syntax errors. This can provide more detailed information about where the error is occurring.
  
  
  Review Documentation: If you are using newer ABAP features, ensure that your system supports them. Check the SAP documentation for the version you are using to confirm compatibility.
  
  
  Debugging: If the error occurs during runtime or in a specific context, consider debugging the code to see the exact flow and where it might be failing.
  
  
  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. Provide them with the relevant code snippet and the context in which the error occurs.
  
  
  Related Information:
  
  ABAP Syntax: Familiarize yourself with ABAP syntax rules and best practices. The SAP Help Portal provides comprehensive documentation on ABAP programming.
  Development Tools: Ensure that you are using the latest version of ABAP Development Tools (ADT) 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, you should be able to identify and resolve the issue causing the SDDIC_ADT_DDLX901 error.