How To Fix DO891 - Key components are not defined

SAP Error Message - Details

• 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.

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 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 the system.
  Use transaction codes like CS01 (Create BOM), CS02 (Change BOM), or CS03 (Display BOM) to verify the BOMs.
  Use transaction code MM03 to check the material master data.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in the relevant module (e.g., Production Planning) to ensure that all necessary components are defined.
  Use transaction code SPRO to access the configuration settings and verify that all required settings are in place.
  
  
  
  Check for Missing Components:
  
  If the error occurs during a specific transaction (like creating a production order), check if all key components are included in the order.
  Ensure that the production order references the correct BOM and routing.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to access the key components. This can be checked with the help of a security administrator.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for specific details related to the error message and the context in which it occurs.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CS01, CS02, MM03, CO01, and CO02 for managing BOMs and production orders.
  SAP Notes: Search for SAP Notes related to error DO891 in the SAP Support Portal for any patches or updates that may address the issue.
  Training and Documentation: Ensure that users are trained on the importance of maintaining master data and configuration settings to prevent such errors.
  
  By following these steps, you should be able to identify and resolve the issue related to the DO891 error message in SAP.