Inventory valuation detail report is not working

Hi mandympkong-yaho,

Welcome to Community!  I appreciate you reaching out with your concerns about the Inventory Valuation Detail report in QuickBooks Online.  I've taken the time to navigate to the same report on my end, and had no areas of concern.  However, it's essential that you can view the report without delay!

If you haven't done so already, I suggest clearing cache on your browser, to improve system performance and web page loading times.  Then sign into your QuickBooks Online account and proceed to the Inventory Valuation Detail report.  Open Customize and select your preferences, then hit Run report.  

If you experience the same result, please don't hesitate to reach back out with additional details of your concerns.  We are here to help!