How To Fix GC819 - For document type &, item & is not allowed because it is item type &

GC819 - Overview

• Message type: E = Error

• Message class: GC - Error Messages for Consolidation/Extended General Ledger

• Message number: 819

• Message text: For document type &, item & is not allowed because it is item type &

What causes this issue?

You try to post to a <GL:line_item>line item</> which does not
have the allowed item type according to the item catalog, which is
specified as allowed in the document type table.

System Response

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

How to fix this error?

Either choose another line item with the allowed item type or
specify the <GL:document_type>document type</> correspondingly.

Error message extract from SAP system. Copyright SAP SE.

GC819 - Details

• The SAP error message GC819 indicates that there is a restriction on the document type and item type combination in the system. This error typically occurs when you are trying to post a document (like a journal entry or invoice) that contains an item type that is not allowed for the specified document type.
  
  Cause:
  The error message GC819 is triggered due to the following reasons:
  
  Item Type Restrictions: The item type you are trying to use is not permitted for the specified document type. This could be due to configuration settings in the system.
  Document Type Configuration: The document type may have specific settings that restrict certain item types from being used. This is often configured in the Financial Accounting (FI) or Controlling (CO) modules.
  Customizations: If there are custom developments or enhancements in your SAP system, they may impose additional restrictions on item types.
  
  
  Solution:
  To resolve the GC819 error, you can take the following