How To Fix CP900 - Key date in the future is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CP - Task list messages: Core data

• Message number: 900

• Message text: Key date in the future is not allowed

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 CP900 - Key date in the future is not allowed ?

  The SAP error message CP900 ("Key date in the future is not allowed") typically occurs when a user attempts to perform an action that involves a date that is set in the future, which is not permitted by the system's configuration or business rules. This error is often encountered in various SAP modules, particularly in areas related to planning, scheduling, or data entry.
  Cause:
  
  Future Date Entry: The most common cause is that the user has entered a date that is beyond the current date. This could happen in transaction codes related to production planning, material management, or project management.
  System Configuration: The system may be configured to disallow future dates for certain operations to maintain data integrity and ensure that planning and scheduling are based on current or past dates.
  Business Rules: Certain business processes may dictate that actions cannot be scheduled or planned for future dates, especially in contexts like production orders or project milestones.
  
  Solution:
  
  Check the Date: Review the date you are trying to enter. Ensure that it is not set in the future. If it is, change it to the current date or a past date as appropriate.
  Adjust System Settings: If you believe that future dates should be allowed for your specific business process, consult with your SAP administrator or functional consultant to review and potentially adjust the system settings or business rules.
  User Training: Ensure that users are trained to understand the limitations regarding date entries in the system to prevent future occurrences of this error.
  Transaction Context: Make sure you are using the correct transaction code and that the context of your action allows for the date you are trying to enter.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, there may be known issues or enhancements that can be applied.
  Documentation: Review the relevant SAP documentation for the specific module you are working in to understand the rules around date entries.
  Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By following these steps, you should be able to resolve the CP900 error and understand the underlying reasons for its occurrence.