How To Fix EWA406 - Selection of capacities from earlier appointments not possible

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 406

• Message text: Selection of capacities from earlier appointments not possible

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message EWA406 - Selection of capacities from earlier appointments not possible ?

  The SAP error message EWA406, which states "Selection of capacities from earlier appointments not possible," typically occurs in the context of capacity planning or scheduling within SAP, particularly in modules like SAP ERP or SAP S/4HANA. This error indicates that the system is unable to select or utilize capacity data from previous appointments or bookings for the current operation or planning activity.
  Causes:
  
  Time Overlap: The selected capacity may overlap with other appointments or bookings, making it impossible to allocate the same resources.
  Capacity Availability: The capacity being referenced may not be available for the requested time period due to prior commitments.
  Data Integrity Issues: There may be inconsistencies or missing data in the capacity planning tables or related master data.
  Configuration Issues: Incorrect configuration in the capacity planning settings or resource definitions may lead to this error.
  Authorization Issues: The user may not have the necessary permissions to access or modify the capacity data.
  
  Solutions:
  
  Check Appointments: Review the existing appointments or bookings for the resource in question to ensure there are no overlaps or conflicts.
  Adjust Time Frames: If possible, adjust the time frames of the current operation to avoid conflicts with existing appointments.
  Review Capacity Data: Ensure that the capacity data is correctly maintained and that there are no gaps or inconsistencies in the master data.
  Configuration Review: Check the configuration settings related to capacity planning and ensure they are set up correctly.
  User Permissions: Verify that the user has the necessary authorizations to access the required capacity data.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to capacity planning and scheduling.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CM01 (Capacity Planning) or CM21 (Capacity Leveling) to analyze capacity issues.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide patches or additional guidance.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the EWA406 error in your SAP environment.