How To Fix EWA475 - A route must be allocated before resource planning

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 475

• Message text: A route must be allocated before resource planning

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 EWA475 - A route must be allocated before resource planning ?

  The SAP error message EWA475, which states "A route must be allocated before resource planning," typically occurs in the context of production planning and control within the SAP system. This error indicates that a route has not been assigned to a production order or a planned order, which is necessary for resource planning and scheduling.
  Cause:
  
  Missing Route Assignment: The most common cause of this error is that the production order or planned order does not have a route assigned to it. Routes define the sequence of operations and the resources (work centers) required for production.
  Incorrect Master Data: There may be issues with the master data, such as missing or incorrect routing information for the material being produced.
  Configuration Issues: There could be configuration issues in the production planning settings that prevent the system from automatically assigning a route.
  
  Solution:
  
  
  Assign a Route:
  
  Go to the production order or planned order in question.
  Check the routing tab and ensure that a valid route is assigned. If not, you can assign a route manually.
  If you are using a material that requires a specific routing, ensure that the routing is created and assigned in the material master.
  
  
  
  Check Routing Master Data:
  
  Navigate to the routing master data (Transaction code: CA03) and verify that the routing for the material exists and is correctly configured.
  Ensure that the routing is valid for the plant and the production version being used.
  
  
  
  Review Production Version:
  
  If you are using production versions, ensure that the production version is correctly set up and that it includes the necessary routing.
  
  
  
  Configuration Review:
  
  If the issue persists, review the configuration settings in the production planning module to ensure that the system is set up to automatically assign routes when creating production orders.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on routing and production order management.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  CA03 (Display Routing)
  CO01 (Create Production Order)
  CO02 (Change Production Order)
  CO03 (Display Production Order)
  
  
  
  Master Data: Ensure that the material master (Transaction code: MM03) has the necessary data for production, including the production type and relevant views.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to routing and production orders.
  
  
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and modify routing and production order data.
  
  
  By following these steps, you should be able to resolve the EWA475 error and proceed with resource planning in SAP.