- Install "purchase_requisition" - Go to Inventory > Settings and activate "Units of Measure" - Go to Purchase > Purchase Agreements and create one: * select a product and remove UOM - Confirm it and click on "NEW QUOTATION" An exception occurs with the following message: "ValueError: Expected singleton: uom.uom()" "product_uom_id" field of "purchase.requisition.line" model should be required. opw-2332654 closes odoo/odoo#57313 X-original-commit: 82c727a766f5b7a9554d9766e4eb5c448eae8e31 Signed-off-by: Anh Thao PHAM <kitan191@users.noreply.github.com>