How To Fix CY801 - You should look in the scheduling log and the planning log

CY801 - Overview

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 801

• Message text: You should look in the scheduling log and the planning log

What causes this issue?

Errors or warnings occurred during the last planning step carried out
both during planning and during scheduling. Therefore you should look
at both logs.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY801 - You should look in the scheduling log and the planning log ?

  The SAP error message CY801 typically indicates that there is an issue with the scheduling or planning process in the SAP system, particularly in the context of production planning and control (PP) or capacity planning. This message suggests that you should check the scheduling log and the planning log for more detailed information about the error.
  
  Cause:
  
  Data Issues: There may be missing or incorrect data in the master data (e.g., material master, routing, work center) that is affecting the scheduling or planning process.
  Capacity Constraints: The system may be unable to schedule operations due to capacity constraints or conflicts in the work center.
  Planning Parameters: Incorrect planning parameters or settings in the configuration may lead to scheduling issues.
  Dependencies: There may be dependencies or constraints that are not being met, such as material availability or lead times.
  Errors in the Planning Run: The planning run may have encountered errors that prevented it from completing successfully.
  
  
  Solution:
  
  Check