Insure that in company settings>expenses>bills & expenses turn on the items table and purchase orders.

Then when you enter an expense or bill, about half way down the left side is a title “item Details” click that and a table opens where you can select the item, qty and item total […]

Resolution for 'cost value issue: 'inventory report not showing average cost value' available: Yes.

The cost value issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the cost value issue yourself by looking for a resolution described in the article. If it is a complex cost value issue or you are unable to solve the issue, you may contact us by clicking here or by using other cost value support options.

For more information about resolving issues related to cost value in Quickbooks/QBO or to get support for the issue 'inventory report not showing average cost value', click the link below: