How To Fix EWA420 - Selecting capacities from different days not possible

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 420

• Message text: Selecting capacities from different days not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EWA420 - Selecting capacities from different days not possible ?

  The SAP error message EWA420, which states "Selecting capacities from different days not possible," typically occurs in the context of capacity planning or scheduling within SAP, particularly when dealing with production orders, capacity evaluations, or similar functions. This error indicates that the system is unable to process a request because it involves selecting capacity data from multiple days, which is not allowed.
  Cause:
  
  Date Range Selection: The error usually arises when a user attempts to select or analyze capacity data that spans multiple days. For example, if you are trying to view or plan capacities for a production order that includes operations scheduled on different days, the system will not allow this.
  Configuration Settings: There may be specific configuration settings in the system that restrict the selection of capacities to a single day.
  Data Integrity Issues: There could be inconsistencies or issues with the data in the system that prevent the selection of capacities across different days.
  
  Solution:
  
  Limit Date Selection: Ensure that your selection criteria are limited to a single day. If you need to analyze capacities over multiple days, consider breaking down your analysis into separate single-day queries.
  Check Configuration: Review the configuration settings related to capacity planning and scheduling in your SAP system. Ensure that they are set up correctly to allow for the desired functionality.
  Review Production Orders: If you are working with production orders, check the operations and their scheduled dates. Make sure that all operations you are trying to analyze are scheduled for the same day.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on capacity planning and scheduling to understand any limitations or requirements.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as COHV (Mass Processing of Production Orders), CM01 (Capacity Planning), or CM21 (Capacity Leveling) that may be involved in capacity planning.
  SAP Notes: Check for any SAP Notes related to this error message in the SAP Support Portal, as there may be patches or updates that address this issue.
  User Training: Ensure that users involved in capacity planning are adequately trained on the limitations and functionalities of the SAP system to avoid such errors in the future.
  
  By following these steps, you should be able to resolve the EWA420 error and effectively manage your capacity planning tasks in SAP.