How To Fix FDT_CORE801 - Invalid variable &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 801

• Message text: Invalid variable &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 FDT_CORE801 - Invalid variable &1 ?

  The SAP error message FDT_CORE801: Invalid variable &1 typically occurs in the context of SAP Forms and Document Management, particularly when working with Adobe Forms or Smart Forms. This error indicates that there is an issue with a variable that is being referenced in the form or document, which is either not defined, incorrectly defined, or not available in the context where it is being used.
  Causes:
  
  Undefined Variable: The variable referenced in the form is not defined in the data source.
  Incorrect Variable Name: There may be a typo or incorrect naming convention used for the variable.
  Scope Issues: The variable might be defined in a different context or scope that is not accessible at the point where it is being referenced.
  Data Source Issues: The data source that is supposed to provide the variable might not be correctly set up or might not be returning the expected data.
  Form Configuration: The form might not be properly configured to handle the variable, or the variable might not be included in the form's data binding.
  
  Solutions:
  
  Check Variable Definition: Ensure that the variable &1 is defined in the data source that the form is using. You can do this by reviewing the data model or structure that feeds the form.
  Verify Variable Name: Double-check the spelling and case of the variable name in the form. SAP is case-sensitive, so ensure that it matches exactly with the definition.
  Review Context and Scope: Make sure that the variable is being referenced in the correct context. If it is defined in a specific section of the form, ensure that it is being called from that section.
  Inspect Data Source: If the variable is supposed to come from a data source (like a table or structure), verify that the data source is correctly configured and that it is returning the expected data.
  Form Configuration: Review the form configuration settings to ensure that the variable is included in the data binding and that the form is set up to handle it correctly.
  Debugging: If possible, use debugging tools to trace the data flow and see where the variable is being lost or not set.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the FDT (Form Data Template) framework or the specific form technology you are using (Adobe Forms, Smart Forms, etc.).
  Documentation: Refer to the official SAP documentation for Forms and Document Management for guidance on variable handling and data binding.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and configuration.