Message type: E = Error
Message class: BK - Create, Display, Reverse Controlling Document
Message number: 128
Message text: Activity type & is not allowed for business transaction &
In business transaction &V2& you entered activity type &V1&, category
&V3&. This category is <LS>not</> allowed in business transaction &V2&.
You can use only activity types of given categories in a given business
transaction.
The following activity type categories are valid for a given business
transaction:
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
<ZH>RKL</> (Direct Activity Allocation):Enter an activity type with a category valid for business transaction
&V2&.
<ZH>Note</>
If you have not yet carried out <ZH>any</> postings in actual or plan,
you can overwrite the activity type category defined in the activity
type master record <ZH>in planning</>.
This activity type category is then valid for the entire fiscal year in
both actual and plan. Making a change to master data at a later date
affects the <ZH>current</> fiscal year and therefore <ZH>not</> the
current posting.
Error message extract from SAP system. Copyright SAP SE.
BK128
- Activity type & is not allowed for business transaction & ?The SAP error message BK128 typically indicates that there is an issue with the activity type being used in a business transaction. This error can occur in various contexts, such as during the posting of costs or during the execution of certain transactions in the Controlling (CO) module.
Cause: The error message BK128 can be triggered by several factors, including: Invalid Activity Type: The activity type specified in the transaction is not valid for the business transaction being executed.
Configuration Issues: The activity type may not be properly configured in the system, or it may not be assigned to the relevant cost center or internal order. Business Transaction Restrictions: Certain business transactions may have restrictions on which activity types can be used. Missing Authorizations: The user may not have the necessary authorizations to use the specified activity type.
Solution: To resolve the BK128 error, you can take the following steps: Check Activity Type: Verify that the activity type you
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