How To Fix BK056 - Orders are not allowed as senders of activities

BK056 - Overview

• Message type: E = Error

• Message class: BK - Create, Display, Reverse Controlling Document

• Message number: 056

• Message text: Orders are not allowed as senders of activities

What causes this issue?

It is not possible to obtain activity from an order. This is only
possible for cost centers and business processes, these being the only
activity senders.

Error message extract from SAP system. Copyright SAP SE.

BK056 - Details

• The SAP error message BK056 ("Orders are not allowed as senders of activities") typically occurs in the context of controlling (CO) when you are trying to assign an activity or cost to an order that is not permitted to act as a sender in the system. This can happen in various scenarios, such as when you are trying to allocate costs or perform internal activity allocations.
  
  Cause:
  
  Order Type Configuration: The order type you are using may not be configured to allow it to send activities. In SAP, certain order types are designated as receivers of costs but not as senders.
  Activity Type Settings: The activity type you are trying to use may not be set up to allow orders as senders.
  Master Data Issues: There may be issues with the master data configuration for the order or activity type.
  Transaction Type Restrictions: The transaction you are trying to execute may have restrictions on the