Focus Groups Cause Total Crash of APP

JUST FORM FOCUS GROUPS

run_debug.js:58 Uncaught NotFoundError: Failed to execute ‘insertBefore’ on ‘Node’: The node before which the new node is to be inserted is not a child of this node. at reconcileArrays (run_debug.js:58:45954) at insertExpression (run_debug.js:58:55126) at Object.fn (run_debug.js:58:54690) at runComputation (run_debug.js:58:26002) at updateComputation (run_debug.js:58:25544) at runTop (run_debug.js:58:28228) at runUserEffects (run_debug.js:58:30094) at run_debug.js:58:29586 at runUpdates (run_debug.js:58:28552) at completeUpdates (run_debug.js:58:29571) at runUpdates (run_debug.js:58:28564) at batch (run_debug.js:58:21429) at ElementInstance2.ensure_drawn (run_debug.js:123:48281) at Object.workflow_show (run_debug.js:486:168589) at ElementInstance2.workflow_show (run_debug.js:123:50047) at run_debug.js:430:66779 at run_debug.js:116:33004 at with_eval_node (run_debug.js:116:29147) at run_debug.js:116:29282 at run_debug.js:116:32976 at run_debug.js:51:49900 at run_debug.js:51:49634 at _PromiseClass._attach_success (run_debug.js:51:49198) at _PromiseClass.then (run_debug.js:51:49587) at _PromiseClass.callback (run_debug.js:51:49889) at Object.run_once2 (run_debug.js:116:32953) at Object.run (run_debug.js:430:66470) at run_debug.js:405:82317 at run_debug.js:51:49900 at run_debug.js:51:49634 at _PromiseClass._attach_success (run_debug.js:51:49198) at _PromiseClass.then (run_debug.js:51:49587) at _PromiseClass.callback (run_debug.js:51:49889) at Action.run (run_debug.js:405:82063) at run_debug.js:687:84055 at run_debug.js:51:49634 at _PromiseClass._attach_success (run_debug.js:51:49198) at _PromiseClass.then (run_debug.js:51:49587) at WorkflowEngine.run_subsequent_actions (run_debug.js:687:83707) at run_debug.js:687:80148 at run_debug.js:51:49634 at _PromiseClass._attach_success (run_debug.js:51:49198) at _PromiseClass.then (run_debug.js:51:49587) at WorkflowEngine._run_workflow (run_debug.js:687:80134) at run_debug.js:687:73031 at run_debug.js:51:49634 at _PromiseClass._attach_success (run_debug.js:51:49198) at _PromiseClass.then (run_debug.js:51:49587) at run_debug.js:687:73017 at run_debug.js:51:49634

reconcileArrays @ run_debug.js:58
insertExpression @ run_debug.js:58
(anonymous) @ run_debug.js:58
runComputation @ run_debug.js:58
updateComputation @ run_debug.js:58
runTop @ run_debug.js:58
runUserEffects @ run_debug.js:58
(anonymous) @ run_debug.js:58
runUpdates @ run_debug.js:58
completeUpdates @ run_debug.js:58
runUpdates @ run_debug.js:58
batch @ run_debug.js:58
ensure_drawn @ run_debug.js:123
workflow_show @ run_debug.js:486
workflow_show @ run_debug.js:123
(anonymous) @ run_debug.js:430
(anonymous) @ run_debug.js:116
with_eval_node @ run_debug.js:116
(anonymous) @ run_debug.js:116
(anonymous) @ run_debug.js:116
(anonymous) @ run_debug.js:51
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
callback @ run_debug.js:51
run_once2 @ run_debug.js:116
run @ run_debug.js:430
(anonymous) @ run_debug.js:405
(anonymous) @ run_debug.js:51
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
callback @ run_debug.js:51
run @ run_debug.js:405
(anonymous) @ run_debug.js:687
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
run_subsequent_actions @ run_debug.js:687
(anonymous) @ run_debug.js:687
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
_run_workflow @ run_debug.js:687
(anonymous) @ run_debug.js:687
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
(anonymous) @ run_debug.js:687
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
(anonymous) @ run_debug.js:687
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
(anonymous) @ run_debug.js:687
(anonymous) @ run_debug.js:118
(anonymous) @ run_debug.js:51
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
callback @ run_debug.js:51
freeze_workflows @ run_debug.js:118
run_workflows @ run_debug.js:687
(anonymous) @ run_debug.js:482
(anonymous) @ run_debug.js:116
with_eval_node @ run_debug.js:116
(anonymous) @ run_debug.js:116
(anonymous) @ run_debug.js:116
(anonymous) @ run_debug.js:51
(anonymous) @ run_debug.js:51
_attach_success @ run_debug.js:51
then @ run_debug.js:51
callback @ run_debug.js:51
run_once2 @ run_debug.js:116
(anonymous) @ run_debug.js:482
(anonymous) @ run_debug.js:118
(anonymous) @ run_debug.js:51
(anonymous) @ run_debug.js:51
resolve @ run_debug.js:51
(anonymous) @ run_debug.js:116
new_handler @ run_debug.js:116
do_evaluate @ run_debug.js:116
run_me @ run_debug.js:116
_run_scheduled @ run_debug.js:116
(anonymous) @ run_debug.js:116
traceSpan2 @ run_debug.js:116
run_scheduled2 @ run_debug.js:116
setTimeout
ensure_scheduled @ run_debug.js:116
(anonymous) @ run_debug.js:116
invalidate @ run_debug.js:116
invalidate @ run_debug.js:51
_was_updated @ run_debug.js:51
turn_on @ run_debug.js:51
(anonymous) @ run_debug.js:116
setTimeout
_run_scheduled @ run_debug.js:116
(anonymous) @ run_debug.js:116
traceSpan2 @ run_debug.js:116
run_scheduled2 @ run_debug.js:116
requestAnimationFrame
ensure_scheduled @ run_debug.js:116
(anonymous) @ run_debug.js:116
invalidate @ run_debug.js:116
invalidate @ run_debug.js:51
set @ run_debug.js:116
val @ run_debug.js:116
(anonymous) @ static.js:289
dispatch @ pre_run_jquery.js:2
y.handle @ pre_run_jquery.js:2