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Uncaught ArgumentError: cannot instantiate a non derived Node object helpers:1
(anonymous function) helpers:1
def.$raise helpers:1
$opal.defs.TMP_1 helpers:1
def.$DOM.TMP_1 helpers:1
$a._p.TMP_1 helpers:1
Opal.$yield1 helpers:1
def.$each.TMP_14 helpers:1
def.$initialize helpers:1
def.$new.TMP_2 helpers:1
def.$children helpers:1
def.$inspect helpers:1
def.$method_missing.TMP_1 helpers:1
method_missing_stub helpers:1
(anonymous function) helpers:1
(anonymous function) helpers:1