--- title: Fixing a posted Assembly with wrong quantity. description: Once an assembly session has been posted it is no longer available to edit. When an assembly is posted you are removing the component quantity to assemble the finished good. --- [Skip to content](https://hub.acctivate.com/articles/posted-assembly-with-wrong-quantity#main-content) [Go to Customer Portal](https://hub.acctivate.com/tickets?hsLang=en) ![Acctivate - A CAI Solution](https://hub.acctivate.com/hubfs/Images/Logos/acctivate-cai-logo-svg.svg) - [Knowledge Base](https://hub.acctivate.com/articles) Open main navigation Close main navigation - [Knowledge Base](https://hub.acctivate.com/articles) - [Go to Customer Portal](https://hub.acctivate.com/tickets) - [Support Resources / Create Ticket](https://acctivate.com/support) [Support Resources / Create Ticket](https://acctivate.com/support) Hello. How can we help you? - There are no suggestions because the search field is empty. 1. 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When an assembly is posted you are removing the component quantity to assemble the finished good. ### User posted Assembly with wrong quantity Occasionally, you may have the need to correct an assembly session that has been posted for the wrong quantity.  Once an assembly session has been posted it is no longer available to edit.  When an assembly is posted you are removing the component quantity to assemble the finished good. ![InventoryAssemblyReport](https://help.acctivate.com/wp-content/uploads/InventoryAssemblyReport.png) - When posted assembly quantity is **less** than the desired quantity, correct via an **Inventory Assembly** session - Post an additional assembly session for the **difference** to bring your inventory level up to what you believe it should be. - When posted  assembly session is **more** than the desired quantity, correct via an **Inventory Receipt** session - Verify the warehouse matches the original assembly session. If there were multiple warehouses on the session, create new [transactions](https://help.acctivate.com/articles/20091/) to specify each new warehouse. - Post an inventory receipt with a **negative** quantity for the finished good and a **positive** quantity for the the component items to reverse the previous transaction. - Verify the **Unit Cost** for each item listed to ensure it’s an exact match of the original assembly session. ![NegativeReceipt](https://help.acctivate.com/wp-content/uploads/NegativeReceipt.png) - [Getting Started](https://hub.acctivate.com/articles/getting-started?hsLang=en#main-content) - [Basics](https://hub.acctivate.com/articles/getting-started?hsLang=en#basics) - [User Interface](https://hub.acctivate.com/articles/getting-started?hsLang=en#user-interface) - [Manager windows](https://hub.acctivate.com/articles/getting-started?hsLang=en#manager-windows) - [List windows](https://hub.acctivate.com/articles/getting-started?hsLang=en#list-windows) - [Transaction windows](https://hub.acctivate.com/articles/getting-started?hsLang=en#transaction-windows) - 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