How To Fix B1221 - End date cannot be earlier than the start date

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 221

• Message text: End date cannot be earlier than the start date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message B1221 - End date cannot be earlier than the start date ?

  The SAP error message B1221, which states "End date cannot be earlier than the start date," typically occurs in scenarios where date ranges are being defined, such as in project management, scheduling, or planning transactions. This error indicates that the end date you have entered is before the start date, which is logically incorrect.
  Cause:
  
  Incorrect Date Entry: The most common cause is simply entering the end date incorrectly, either by mistyping or selecting the wrong date from a calendar.
  System Configuration: In some cases, the system configuration or business rules may enforce certain date constraints that lead to this error.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  User Input Error: Users may not be aware of the correct sequence of dates, leading to confusion.
  
  Solution:
  
  Check Date Entries: Review the start and end dates you have entered. Ensure that the end date is indeed later than the start date.
  Use Date Picker: If available, use the date picker tool to select dates instead of typing them manually to avoid errors.
  Validation: Implement validation checks in your processes to ensure that users cannot proceed with an end date that is earlier than the start date.
  Consult Documentation: If you are unsure about the date requirements for a specific transaction, consult the relevant SAP documentation or user guides.
  System Configuration: If the issue persists and seems to be related to system settings, consult with your SAP administrator or technical team to review the configuration.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes, such as CJ20N (Project Builder), ME21N (Create Purchase Order), or others where date ranges are specified.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Providing training to users on how to correctly enter date ranges can help reduce the occurrence of this error.
  Error Handling: Implement error handling in your processes to catch this error early and provide users with clear feedback on how to correct it.
  
  By following these steps, you should be able to resolve the B1221 error and ensure that date entries are valid in your SAP transactions.