How To Fix EWA488 - Prorations are only possible in the last time slice

SAP Error Message - Details

• Message type: E = Error

• Message class: EWA - IS-U-WA: Waste Management

• Message number: 488

• Message text: Prorations are only possible in the last time slice

What causes this issue?

You wanted to change the container quantity of a container group for a
key date. This is not possible, as later time slices already exist for
the container group.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You can only change the container quantity in the most current time
slice.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EWA488 - Prorations are only possible in the last time slice ?

  The SAP error message EWA488, which states "Prorations are only possible in the last time slice," typically occurs in the context of financial or controlling modules when dealing with time-based allocations or distributions of costs or revenues. This error indicates that the system is trying to perform a prorated calculation in a time slice that is not the last one, which is not allowed.
  Cause:
  
  Incorrect Time Slice Selection: The error usually arises when a user attempts to perform a prorated calculation in a time slice that is not the final one. In SAP, prorations are generally meant to be applied to the last period of a time slice to ensure that the calculations are accurate and reflect the total for that period.
  Configuration Issues: There may be configuration settings in the controlling or financial modules that restrict prorations to only the last time slice.
  Data Entry Errors: Users may inadvertently select the wrong time slice or period when attempting to perform the prorated calculation.
  
  Solution:
  
  Check Time Slice: Ensure that you are working with the last time slice for which you want to perform the prorated calculation. If you are not, adjust your selection accordingly.
  Review Configuration: If you believe the configuration might be causing the issue, consult with your SAP administrator or a functional consultant to review the settings related to time slices and prorations.
  Correct Data Entry: Double-check the data entry to ensure that you are not mistakenly selecting an incorrect period or time slice.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on how to handle prorations in your version of SAP.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Training and Documentation: If this error is common in your organization, consider providing training or creating documentation for users to help them understand how to avoid it in the future.
  
  By following these steps, you should be able to resolve the EWA488 error and successfully perform the necessary prorations in your SAP system.