Add inventory row

[aram]

When I try to add an invetoryRow for a variant I get this error:

vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:43943 TypeError: Cannot read property 'systemId' of undefined
    at Scope.$scope.addInventoryRow (app.js?v=67839430D6EA0AC05E56BA45C326330DB1E366DC1B2DBC9F52A7EBCFFE740DA6:3141)
    at fn (eval at compile (vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:44794), <anonymous>:4:673)
    at callback (vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:56584)
    at Scope.$eval (vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:47666)
    at Scope.$apply (vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:47766)
    at HTMLAnchorElement.<anonymous> (vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:56589)
    at HTMLAnchorElement.dispatch (vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:5274)
    at HTMLAnchorElement.elemData.handle (vendor.js?v=6B6EBA74A555683D7D8DD2DD785F704BFBA42E8D6290943A820D2158F45E68A1:5082)
    at ZoneDelegate.invokeTask (vendor.js?v=40ADC6921F4E70CEF65DFA9EB3F9C97E6DB3D6749BABD66426E42AB7C88B06CD:2559)
    at Zone.runTask (vendor.js?v=40ADC6921F4E70CEF65DFA9EB3F9C97E6DB3D6749BABD66426E42AB7C88B06CD:2559)
    at ZoneTask.invokeTask [as invoke] (vendor.js?v=40ADC6921F4E70CEF65DFA9EB3F9C97E6DB3D6749BABD66426E42AB7C88B06CD:2559)
    at invokeTask (vendor.js?v=40ADC6921F4E70CEF65DFA9EB3F9C97E6DB3D6749BABD66426E42AB7C88B06CD:2590)
    at HTMLAnchorElement.globalZoneAwareCallback (vendor.js?v=40ADC6921F4E70CEF65DFA9EB3F9C97E6DB3D6749BABD66426E42AB7C88B06CD:2590)

What is missing?

Note! that this is an upgrading-project and it works in a clean accelerator but I can’t see what could cause this.

Litium version: [7.4.2]

[ton.nguyen]

Check if there is any request error when loading the page. Also try to select an unit of measurement in the group above, maybe save it as well, then try again.

[aram]

A little bit strange that this caused the problem, but I was missing “unit of measurement” in the solution. I added a new one but didn’t need to choose it on the product to be able to add inventory. Anyhow it solved the problem. Thank you!