How To Fix FDT_WD_EXPRESSION070 - : check message class and number

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_WD_EXPRESSION -

• Message number: 070

• Message text: : check message class and number

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 FDT_WD_EXPRESSION070 - : check message class and number ?

  The SAP error message FDT_WD_EXPRESSION070 typically indicates an issue related to the expression or formula used in a Web Dynpro application, particularly in the context of the Flexible Data Import (FDI) or Flexible Data Transfer (FDT) framework. This error suggests that there is an invalid expression or a problem with the message class and number.
  Cause:
  
  Invalid Expression: The expression used in the Web Dynpro application may contain syntax errors or references to non-existent fields or variables.
  Message Class Issue: The message class or number referenced in the error may not be defined or may not exist in the system.
  Configuration Issues: There may be configuration issues in the Web Dynpro application or the underlying data model.
  Data Type Mismatch: The data types used in the expression may not match the expected types, leading to evaluation errors.
  
  Solution:
  
  Check the Expression: Review the expression or formula that is causing the error. Ensure that it is correctly written and that all referenced fields or variables exist and are correctly spelled.
  Verify Message Class: Check the message class and number in the SAP system to ensure they are defined. You can do this by using transaction SE91 to look up the message class.
  Debugging: Use the debugging tools in SAP to trace the execution of the Web Dynpro application and identify where the error occurs. This can help pinpoint the exact cause of the issue.
  Review Configuration: Ensure that the Web Dynpro application is correctly configured and that all necessary components are in place.
  Data Type Validation: Validate that the data types used in the expressions are compatible and correctly defined in the context of the application.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) to explore the Web Dynpro components and SE91 (Message Class) to check message definitions.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Documentation: Refer to the official SAP documentation for Web Dynpro and FDT for more detailed information on expressions and error handling.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.