How To Fix COSE088 - Sequence &, operation &, PRT &: Specify a control key

COSE088 - Overview

• Message type: E = Error

• Message class: COSE - Change Production Order

• Message number: 088

• Message text: Sequence &, operation &, PRT &: Specify a control key

Self-Explanatory Message

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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 COSE088 - Sequence &, operation &, PRT &: Specify a control key ?

  The SAP error message COSE088 indicates that a control key is required for a specific operation in a Production Resource Tool (PRT) scenario. This error typically arises in the context of production planning and control, particularly when working with production orders or PRTs in SAP.
  
  Cause:
  The error occurs when:
  
  A production operation is defined without an associated control key.
  The control key is necessary for the system to understand how to process the operation, including scheduling, costing, and execution.
  The control key may not have been assigned in the routing or the production order.
  
  
  Solution:
  To resolve the COSE088 error, you can take the following steps:
  
  
  Check the Routing:
  
  Go to the routing associated with the production order.
  Ensure that each operation has a control key assigned. You can do this by navigating to the routing in transaction code CA03 (Display Routing) or CA02 (Change Routing).
  If the control key is missing, you can add it to the operation.
  
  
  
  Check the