How To Fix 40663 - Choose a secondary resource

SAP Error Message - Details

• Message type: E = Error

• Message class: 40 - Messages for Process Orders

• Message number: 663

• Message text: Choose a secondary resource

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 40663 - Choose a secondary resource ?

  The SAP error message 40663, "Choose a secondary resource," typically occurs in the context of production planning or scheduling when a primary resource is not available or cannot be used for a particular operation. This error indicates that the system requires you to select a secondary resource to proceed with the operation.
  Cause:
  
  Resource Availability: The primary resource may be unavailable due to maintenance, breakdown, or scheduling conflicts.
  Resource Configuration: The primary resource may not be configured correctly in the system, or it may not be suitable for the operation being performed.
  Capacity Constraints: The primary resource may have reached its capacity limit, necessitating the use of a secondary resource.
  Routing Issues: The routing for the production order may not have a valid primary resource assigned, or the operation may require a secondary resource by design.
  
  Solution:
  
  Select a Secondary Resource: When prompted by the error message, choose an appropriate secondary resource from the list provided in the system. This can often be done in the production order or scheduling screen.
  Check Resource Availability: Verify the availability of the secondary resource to ensure it can handle the workload.
  Review Resource Configuration: Ensure that the primary and secondary resources are correctly configured in the system. Check the resource master data for any discrepancies.
  Adjust Capacity Planning: If the primary resource is consistently reaching capacity, consider adjusting the capacity planning or scheduling to better utilize available resources.
  Update Routing: If necessary, update the routing to include valid secondary resources for the operations that may require them.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CO02 (Change Production Order) or CM01 (Capacity Planning) to manage production orders and resources.
  Resource Master Data: Check the resource master data (transaction code CR01 for creating and CR02 for changing) to ensure that all resources are set up correctly.
  Production Scheduling: Familiarize yourself with production scheduling concepts in SAP, including how to manage and allocate resources effectively.
  SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or updates related to this error message.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting steps.