How To Fix COSE084 - Sequence &, operation &, PRT &: Control key & not defined

COSE084 - Overview

• Message type: E = Error

• Message class: COSE - Change Production Order

• Message number: 084

• Message text: Sequence &, operation &, PRT &: Control key & not defined

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 COSE084 - Sequence &, operation &, PRT &: Control key & not defined ?

  The SAP error message COSE084 indicates that there is an issue with the control key associated with a specific operation in a production order or process order. This error typically arises when the system cannot find a valid control key for the specified operation in the routing or production order.
  
  Cause:
  
  Undefined Control Key: The control key specified in the operation is not defined in the system. This could happen if the control key was deleted or not properly configured.
  Incorrect Routing: The routing associated with the production order may not have the correct control key assigned to the operation.
  Missing Configuration: The control key may not be configured in the system for the relevant production processes.
  Data Inconsistency: There may be inconsistencies in the master data, such as the material master or routing data.
  
  
  Solution:
  
  
  Check Control Key Configuration:
  
  Go to the transaction code OPL8 (Control Key Configuration) and verify if the control key in question is