How To Fix BK090 - Variant & from document & is invalid; processing on detail screen.

BK090 - Overview

• Message type: E = Error

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

• Message number: 090

• Message text: Variant & from document & is invalid; processing on detail screen.

What causes this issue?

You entered cost accounting document number &V2&. This document was
entered with screen variant &V1&, which is no longer valid.
This may be caused by the following:
The variant was deleted after the document was entered
The variant was deactivated after the document was entered

System Response

A document with an invalid screen variant cannot be processed or output
using a list screen, but only by using the detail screen.
If the given document has an invalid screen variant, this has the
following effects:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

For document entry:
If the document is used as a template, the new document cannot be
entered using a list screen.
For new documents, the standard system variant <ZH>&V3&</> (detail
screen) is set. The document can therefore be processed or released
only by using the <ZH>Detail Screen</>.
The system ignores a variant specified on the initial screen.
For document display/reversal:
The document can be released only by using the detail screen.

How to fix this error?

In the system settings for Cost Center Accounting under <ZK>Actual
Postings</>, check to see if screen variant &V1& has been deleted or
deactivated.
To enter, display, or reverse a document with variant &V1&, proceed as
follows:
If the variant was deleted, you need to recreate the variant with the
name &V1&.
If the variant is inactive, you need to reactivate it.

Error message extract from SAP system. Copyright SAP SE.

BK090 - Details

• The SAP error message BK090 typically indicates that there is an issue with a variant that is being used in a financial transaction or report. The message states that the variant specified is invalid, which can occur for several reasons. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Incorrect Variant Name: The variant name specified in the transaction may not exist or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the specified variant.
  Data Inconsistencies: The variant may be associated with a document or data that has been changed or deleted, leading to inconsistencies.
  
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the variant being used.
  
  Solutions:
  
  Check Variant Name: Verify that the variant name entered is correct. You can do this by navigating to the variant management screen and checking if the variant exists.
  Review Authorizations: Ensure