How To Fix KE261 - Entry & is not allowed

KE261 - Overview

• Message type: E = Error

• Message class: KE -

• Message number: 261

• Message text: Entry & is not allowed

What causes this issue?

The value you entered is not allowed.

System Response

The system did not accept your entry.

How to fix this error?

You can display the possible entries by pressing F4 or the "Possible
entries" icon.

Error message extract from SAP system. Copyright SAP SE.

KE261 - Details

• The SAP error message KE261 ("Entry & is not allowed") typically occurs in the context of controlling (CO) when you are trying to post a transaction that violates certain rules or constraints set within the system. This error can arise in various scenarios, such as when dealing with cost centers, internal orders, or profit centers.
  Causes of KE261 Error
  
  Invalid Master Data: The master data for the cost center, internal order, or profit center may not be set up correctly or may be inactive.
  Posting Period Issues: The posting period may be closed, preventing any new entries from being made.
  Authorization Issues: The user may not have the necessary authorizations to post to the specified cost object.
  Incorrect Configuration: The configuration settings in the controlling area may not allow for the type of entry you are trying to make.
  Account Assignment Issues: The account assignment may not be valid for the type of transaction being posted.
  
  Solutions