How To Fix DO891 - Key components are not defined

DO891 - Overview

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 891

• Message text: Key components are 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DO891 - Key components are not defined ?

  The SAP error message DO891, which states "Key components are not defined," typically occurs in the context of SAP's logistics and production planning modules. This error indicates that certain key components required for a specific process or transaction have not been defined in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Configuration: The key components (such as materials, BOMs, or routing) required for a production order or a similar process are not defined in the system.
  Incomplete Master Data: The master data for materials or components may be incomplete or not properly maintained.
  Incorrect Settings: The settings in the configuration for the relevant module (like Production Planning, Materials Management, etc.) may not be correctly set up.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to view or access the key components.
  
  
  Solution:
  
  
  Check Master Data:
  
  Ensure that all necessary master data (materials, BOMs, routing) is correctly defined in