How To Fix CR255 - Resource & plant & not assigned to resource structure & plant &

SAP Error Message - Details

• Message type: E = Error

• Message class: CR - (1,099) Work Center; (100,200) Capacity

• Message number: 255

• Message text: Resource & plant & not assigned to resource structure & plant &

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 CR255 - Resource & plant & not assigned to resource structure & plant & ?

  The SAP error message CR255 indicates that a specific resource and plant combination is not assigned to the resource structure in the system. This error typically occurs in the context of production planning and control, particularly when working with capacity planning or resource management.
  Cause:
  
  Missing Assignment: The resource (e.g., machine, labor) is not assigned to the specified plant in the resource structure.
  Incorrect Configuration: The configuration of the resource or plant may be incomplete or incorrect.
  Data Inconsistency: There may be inconsistencies in the master data related to resources and plants.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or modify the resource assignments.
  
  Solution:
  
  
  Check Resource Assignment:
  
  Go to the transaction code CR02 (Change Resource) or CR01 (Create Resource).
  Verify if the resource is correctly assigned to the relevant plant.
  If not, assign the resource to the plant in the resource structure.
  
  
  
  Review Resource Structure:
  
  Use transaction code CR03 (Display Resource) to check the resource structure.
  Ensure that the resource is part of the correct resource structure for the plant in question.
  
  
  
  Maintain Master Data:
  
  Ensure that all relevant master data (e.g., work centers, production resources/tools) is correctly maintained and linked to the appropriate plants.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access and modify the resource assignments.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files for additional context on resource and plant assignments.
  
  
  
  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 or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: CR01, CR02, CR03 for managing resources.
  Master Data: Ensure that all relevant master data is correctly set up in the system.
  SAP Notes: Check SAP Notes for any specific fixes or updates related to this error message.
  User Roles: Review user roles and authorizations to ensure proper access to resource management functions.
  
  By following these steps, you should be able to resolve the CR255 error and ensure that the resource is properly assigned to the plant in the SAP system.