Are you struggling with negative inventory errors in QuickBooks? Negative Quantity on Hand (QOH) can disrupt your accounting, cause data corruption, and throw off your financial reports. Learn what negative inventory is, how to identify it, and how to fix it effectively with professional QuickBooks repair services . What is Negative Inventory in QuickBooks? Negative inventory occurs when sales transactions are entered before purchase transactions, meaning you’ve sold more items than you have in stock. This can lead to significant issues such as: Data damage requiring constant file rebuilds Unbalanced cash-basis balance sheets Incorrect Profit & Loss and Cost of Goods Sold (COGS) calculations Erroneous vendor reports Error messages related to account balance overflows and item history mismatches How to Identify Negative Inventory in Your QuickBooks File You can quickly find negative inventory items by running the Inventory Valuation Detail report: Open QuickBo...