How To Fix FDT_CORE884 - Invalid state of switch in line &1 (only "X" and " " are possible values)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 884

• Message text: Invalid state of switch in line &1 (only "X" and " " are possible values)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE884 - Invalid state of switch in line &1 (only "X" and " " are possible values) ?

  The SAP error message FDT_CORE884 indicates that there is an issue with the state of a switch in the context of a field or data element. The message specifies that the only valid values for this switch are "X" (which typically indicates an active or enabled state) and a blank space (which usually indicates an inactive or disabled state). 
  Cause:
  The error occurs when the system encounters a value for the switch that is neither "X" nor a blank space. This could happen due to:
  
  Incorrect Configuration: The switch might have been set to an invalid value during configuration or customization.
  Data Corruption: There may be corrupted data in the database that is causing the switch to have an unexpected value.
  Programming Error: A custom program or enhancement might be incorrectly setting the value of the switch.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings related to the switch in question. Ensure that it is set to either "X" or blank. You may need to consult the relevant documentation or configuration guides.
  
  
  Data Validation: If the switch is part of a data record, check the data in the database to ensure that it does not contain any invalid values. You can use transaction codes like SE16 or SE11 to inspect the relevant tables.
  
  
  Debugging: If the error is occurring in a custom program or enhancement, use the ABAP debugger to trace the execution and identify where the invalid value is being set. Correct the logic to ensure that only valid values are assigned to the switch.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that might address this specific error. There may be known issues or updates that can resolve the problem.
  
  
  Testing: After making changes, thoroughly test the affected functionality to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on the specific module or functionality where the error occurs.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help you diagnose and fix the issue, such as SE80 (Object Navigator), SE37 (Function Module), and SE24 (Class Builder).
  
  By following these steps, you should be able to identify the root cause of the FDT_CORE884 error and implement an appropriate solution.