How To Fix WL855 - Date & is not valid (plausibility check not fulfilled)

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 855

• Message text: Date & is not valid (plausibility check not fulfilled)

What causes this issue?

The date specified is invalid. It contains:
invalid characters (such as letters)
an invalid date unit (such as a month greater than 12 or more days than
the month contains).

System Response

The action was cancelled.

How to fix this error?

Enter a valid date. Please observe the validity criteria specified
above.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL855 - Date & is not valid (plausibility check not fulfilled) ?

  The SAP error message WL855, which states "Date & is not valid (plausibility check not fulfilled)," typically occurs in the context of logistics or production planning when the system detects that a date entered does not meet certain predefined criteria or checks. This error is often related to the scheduling of operations, availability of resources, or other date-related validations in the system.
  Causes:
  
  Invalid Date Format: The date entered may not be in the correct format expected by the system.
  Date Out of Range: The date may fall outside of the permissible range defined in the system settings (e.g., past dates, dates beyond the planning horizon).
  Plausibility Checks: The system has built-in checks to ensure that the date aligns with business rules, such as lead times, production schedules, or resource availability.
  Calendar Settings: The date may conflict with non-working days or holidays defined in the factory calendar.
  Configuration Issues: There may be issues with the configuration of the planning parameters or master data that affect date validation.
  
  Solutions:
  
  Check Date Format: Ensure that the date is entered in the correct format as required by the SAP system.
  Verify Date Validity: Confirm that the date is within the acceptable range and does not fall on a non-working day or holiday.
  Review Planning Parameters: Check the planning parameters and settings in the system to ensure they are correctly configured.
  Adjust Calendar Settings: Review the factory calendar settings to ensure that the date does not conflict with non-working days.
  Consult Documentation: Refer to SAP documentation or help files for specific details on the plausibility checks that are being enforced for the transaction you are working with.
  Debugging: If you have access to technical support, consider debugging the transaction to identify the specific check that is failing.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like CO01 (Create Production Order), MF50 (Planning Table), or others related to logistics and production.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Exits and BAdIs: If custom logic is implemented, review any user exits or BAdIs that may affect date validation.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the WL855 error and implement a suitable solution.