How To Fix FDT_EXPRESSIONS679 - Provide either a database table or a dynamic database view

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 679

• Message text: Provide either a database table or a dynamic database view

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS679 - Provide either a database table or a dynamic database view ?

  The SAP error message FDT_EXPRESSIONS679 typically relates to issues with expressions in the context of SAP's Flexible Data Import (FDI) or Flexible Data Transfer (FDT) framework. This error indicates that there is a problem with the expression used in a data transfer or transformation process, specifically that the expression is not valid or cannot be evaluated.
  Cause:
  
  Invalid Expression: The expression defined in the FDT configuration may contain syntax errors or references to non-existent fields.
  Data Type Mismatch: The data types of the fields being used in the expression may not be compatible.
  Missing Fields: The expression may reference fields that are not available in the context of the data being processed.
  Configuration Issues: There may be issues with the configuration of the FDT or FDI settings that lead to this error.
  
  Solution:
  
  Check the Expression Syntax: Review the expression for any syntax errors. Ensure that all functions and operators are used correctly.
  Validate Field References: Ensure that all fields referenced in the expression exist and are correctly spelled. Check the data model to confirm that the fields are available.
  Data Type Compatibility: Verify that the data types of the fields used in the expression are compatible. If necessary, convert data types to ensure compatibility.
  Test the Expression: Use the expression in a test environment to see if it evaluates correctly. This can help identify specific issues.
  Review Configuration: Check the FDT configuration settings to ensure that everything is set up correctly. Look for any missing or misconfigured settings.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on using expressions in FDT.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to FDT and this specific error message.
  Transaction Codes: Use transaction codes like FDT1 (for FDT) or FDT2 (for FDI) to access the relevant configuration settings.
  Debugging: If you have access to debugging tools, consider using them to trace the execution and identify where the error occurs.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered the same issue.
  
  Database Table or Dynamic Database View:
  If you need to provide either a database table or a dynamic database view, you can create a custom view that pulls relevant data from the tables involved in your FDT configuration. For example, you might want to create a view that combines data from the following tables:
  
  FDT Expressions Table: This table stores the expressions used in FDT configurations.
  Field Definitions Table: This table contains metadata about the fields used in the expressions.
  
  You can create a dynamic database view using SQL that joins these tables based on the relevant keys to help you analyze the expressions and their validity.
  If you need specific SQL code or further assistance with creating a view, please provide more details about the tables and fields you are working with.