this.$921 is undefined error

[senordhuff]

I'm seeing this error intermittently when clicking around in our application with the 8.2 2.22 nightly. Any idea why this is happening? Or, do I need to figure out how to produce a test case?

17:38:24.037:MUP4:WARN:Log:TypeError: this.$921 is undefined
    DynamicForm.handleClick(_1=>{Obj},  _2=>undef)
    [c]EventHandler.bubbleEvent(_1=>{Obj},  _2=>"click")
    [c]EventHandler.handleClick(_1=>{Obj})
    EventHandler._handleMouseUp([object MouseEvent], undef)
    [c]EventHandler.handleMouseUp(_1=>[object MouseEvent])
    [c]EventHandler.dispatch(_1=>isc_c_EventHandler_handleMouseUp,  _2=>[object MouseEvent])
    anonymous([object MouseEvent])
    unnamed() @

[Isomorphic]

We believe this is now fixed. Please try the next nightly build and let us know if you continue to see it (Feb 23 or higher)