How To Fix CO521 - & Scheduling carried out (see log)

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 521

• Message text: & Scheduling carried out (see log)

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 CO521 - & Scheduling carried out (see log) ?

  The SAP error message CO521 typically relates to issues in the production planning and control (PP) module, specifically during the scheduling of production orders. The message indicates that there is a problem with the scheduling process, and it often comes with a log that provides more details about the specific issue encountered.
  Cause of CO521 Error
  
  
  Missing Master Data: The error can occur if there are missing or incorrect master data elements, such as material master records, routing, or work center data.
  
  
  Capacity Constraints: If the work center has capacity constraints that prevent the scheduling of the order, this can trigger the error.
  
  
  Incorrect Parameters: Scheduling parameters or settings in the production order may not be configured correctly, leading to scheduling issues.
  
  
  Date Conflicts: If the planned start or finish dates of the production order conflict with other orders or resources, it can cause scheduling problems.
  
  
  Resource Availability: If the required resources (machines, labor, etc.) are not available during the scheduled time, it can lead to this error.
  
  
  Solution to CO521 Error
  
  
  Check Master Data: Verify that all relevant master data (material, routing, work centers) is correctly maintained and complete.
  
  
  Review Scheduling Parameters: Check the scheduling parameters in the production order and ensure they are set correctly.
  
  
  Analyze Capacity: Use transaction codes like CM01 or CM21 to analyze capacity and ensure that the work center has enough capacity to handle the production order.
  
  
  Check Resource Availability: Ensure that all required resources are available for the scheduled time. If not, consider rescheduling the order.
  
  
  Review Logs: Look at the detailed log provided with the error message for specific information about what caused the scheduling to fail. This log can provide insights into the exact issue.
  
  
  Adjust Dates: If there are date conflicts, consider adjusting the planned start or finish dates of the production order.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for additional troubleshooting steps specific to your version of SAP.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO02 (Change Production Order), CO03 (Display Production Order), and CM01 (Capacity Planning) to help diagnose and resolve the issue.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CO521 error. SAP Notes can provide specific fixes or workarounds.
  
  
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  
  Testing: After making changes, test the scheduling process again to ensure that the issue has been resolved.
  
  
  By following these steps, you should be able to identify the cause of the CO521 error and implement a solution to resolve it.