How To Fix FDT_HRF121 - Only time, date, or timestamp are allowed for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_HRF - FDT: HRF

• Message number: 121

• Message text: Only time, date, or timestamp are allowed for &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_HRF121 - Only time, date, or timestamp are allowed for &1 ?

  The SAP error message FDT_HRF121 indicates that there is an issue with the data type being used in a field that is expected to contain only time, date, or timestamp values. This error typically arises in the context of SAP applications that utilize the Flexible Data Import (FDI) framework or similar functionalities where data types are strictly enforced.
  Cause:
  The error occurs when:
  
  A field that is expected to contain a time, date, or timestamp value is populated with an incorrect data type (e.g., a string or numeric value).
  The format of the date or time being entered does not match the expected format defined in the system.
  There may be a mismatch between the data type defined in the data model and the data being provided during the import or processing.
  
  Solution:
  To resolve the FDT_HRF121 error, consider the following steps:
  
  
  Check Data Types: Ensure that the data being inputted into the field corresponds to the expected data type (time, date, or timestamp). Review the data model or field definitions to confirm the expected types.
  
  
  Validate Formats: Make sure that the date and time values are in the correct format. For example, if the system expects a date in the format YYYY-MM-DD, ensure that the input adheres to this format.
  
  
  Data Cleansing: If you are importing data from an external source, perform data cleansing to remove any invalid entries or to convert them into the correct format.
  
  
  Review Configuration: If you are using custom fields or configurations, check the settings in the relevant configuration areas (like Fiori apps, custom programs, or data import templates) to ensure they are set up correctly.
  
  
  Testing: After making the necessary adjustments, test the data input again to see if the error persists.
  
  
  Consult Documentation: If the issue continues, refer to SAP documentation or community forums for additional insights or similar cases.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Debugging: If you have access to debugging tools, consider using them to trace the data flow and identify where the incorrect data type is being introduced.
  
  By following these steps, you should be able to identify and correct the cause of the FDT_HRF121 error in your SAP environment.