How To Fix IW799 - ********** Capacity planning messages *************

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 799

• Message text: ********** Capacity planning messages *************

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 IW799 - ********** Capacity planning messages ************* ?

  The SAP error message IW799 is related to capacity planning in the context of maintenance orders or production orders. This message typically indicates that there is an issue with the capacity planning for a specific work center or resource. The error message can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes of IW799 Error Message
  
  
  Capacity Overload: The work center may be overloaded with more planned orders than it can handle within the available capacity.
  
  
  Incorrect Capacity Data: The capacity data for the work center may be incorrectly configured, such as incorrect available capacity, shift definitions, or working times.
  
  
  Resource Availability: The resources required for the operation may not be available, leading to scheduling conflicts.
  
  
  Scheduling Conflicts: There may be conflicts in the scheduling of orders that are trying to use the same capacity at the same time.
  
  
  Missing or Incorrect Master Data: Issues with master data related to work centers, production resources/tools, or routing can lead to this error.
  
  
  Solutions to IW799 Error Message
  
  
  Check Capacity Utilization: Review the capacity utilization of the work center to ensure it is not overloaded. You can do this using transaction codes like CM01 (Capacity Planning) or CM21 (Capacity Leveling).
  
  
  Adjust Capacity Settings: If the work center is overloaded, consider adjusting the capacity settings, such as increasing available capacity or redistributing workloads among different work centers.
  
  
  Review Master Data: Ensure that the master data for the work center, including available capacity, shift definitions, and working times, is correctly configured.
  
  
  Check Resource Availability: Verify that all necessary resources are available and not blocked or reserved for other orders.
  
  
  Reschedule Orders: If there are scheduling conflicts, consider rescheduling the orders to different time slots to alleviate the capacity issues.
  
  
  Use Capacity Planning Tools: Utilize SAP's capacity planning tools to analyze and optimize the capacity of work centers.
  
  
  Consult Documentation: Refer to SAP documentation or help files for specific details related to capacity planning and the IW799 error message.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW31 (Create Order), IW32 (Change Order), CM01 (Capacity Planning), and CM21 (Capacity Leveling).
  SAP Notes: Check SAP Notes for any known issues or patches related to capacity planning and the IW799 error.
  Training and Support: Consider training for users involved in capacity planning to ensure they understand how to manage and configure work centers effectively.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the IW799 error message and improve capacity planning in your SAP environment.