Issue with Handlbars version

[bbehling]

Description

In edit mode, this error is thrown -

Template was precompiled with a newer version of Handlebars than the current runtime. Please update your runtime to a newer version (>= 4.3.0)

Steps to Reproduce

Start up server, go into edit mode

Expected Behavior

Correct runtime included with repo and edit page works

Additional

Clicking on various buttons, I also see this error

clay-kiln-edit.js?version=8.16.1:1 Error: Argument must be a string, not undefined

Could possibly be related to runtime version issue.