How To Fix ME366 - Following mandatory roles missing in partner maintenance: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 366

• Message text: Following mandatory roles missing in partner maintenance: &2

What causes this issue?

In partner schema (partner determination procedure) &V1&, which is
assigned to the purchasing document type, certain partner roles (partner
functions) are marked as mandatory. However, the following roles have
not been maintained in the current document: &V2&.

How to fix this error?

Maintain the missing mandatory roles on the partner screen.
<ZH>Note</>
You can also maintain the missing mandatory roles in the supplier master
record in order not to receive this message again in the future.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME366 - Following mandatory roles missing in partner maintenance: &2 ?

  The SAP error message ME366 indicates that there are mandatory roles missing in the partner maintenance for a specific business partner or vendor. This error typically occurs in the context of purchasing documents, such as purchase orders or contracts, where a vendor or business partner is required to have certain roles assigned to them in order to proceed with the transaction.
  Cause:
  The error is caused by the absence of required roles in the partner profile of the vendor or business partner. In SAP, different roles are assigned to business partners to define their functions in various processes. For example, a vendor might need roles such as "Supplier," "Purchasing Organization," or "Accounting" to be able to participate in purchasing activities.
  Solution:
  To resolve the ME366 error, you need to ensure that the necessary roles are assigned to the business partner or vendor. Here are the steps to do this:
  
  
  Access the Business Partner Maintenance:
  
  Go to transaction code BP in SAP.
  
  
  
  Find the Business Partner:
  
  Enter the business partner number that is causing the error and select the appropriate role view (e.g., "Supplier").
  
  
  
  Check Assigned Roles:
  
  Review the roles that are currently assigned to the business partner. Compare them with the required roles for the purchasing process.
  
  
  
  Assign Missing Roles:
  
  If any mandatory roles are missing, you can add them by selecting the "Edit" option and then adding the required roles. Make sure to save your changes.
  
  
  
  Check Role-Specific Data:
  
  After assigning the roles, ensure that all necessary data for those roles is filled out correctly. This may include address information, payment terms, and other relevant details.
  
  
  
  Test the Transaction Again:
  
  After making the changes, try to execute the transaction that previously resulted in the ME366 error to see if the issue is resolved.
  
  
  
  Related Information:
  
  Role Definitions: Familiarize yourself with the different roles available in SAP for business partners and their specific requirements. This can usually be found in the SAP documentation or by consulting with your SAP administrator.
  Authorization Issues: Ensure that you have the necessary authorizations to make changes to business partner roles.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error message.
  Transaction Codes: Besides BP, you may also encounter other transaction codes related to vendor management, such as MK01 (Create Vendor) or MK02 (Change Vendor).
  
  By following these steps, you should be able to resolve the ME366 error and ensure that the business partner is properly configured for purchasing activities in SAP.