Uncaught TypeError: Cannot read property 'length' of null

[alderven]

Steps to reproduce:

1. Paste JSON into the form

Result: Recevie following error:

main.js:34221 Uncaught TypeError: Cannot read property 'length' of nullRequestData_render @ main.js:34221(anonymous function) @ main.js:20965ReactCompositeComponent__renderValidatedComponent @ main.js:26808(anonymous function) @ main.js:20507ReactCompositeComponent_mountComponent @ main.js:26808mountChildren @ main.js:26262_createContentMarkup @ main.js:21749(anonymous function) @ main.js:21671ReactDOMComponent_mountComponent @ main.js:26808(anonymous function) @ main.js:20513ReactCompositeComponent_mountComponent @ main.js:26808mountChildren @ main.js:26262_createContentMarkup @ main.js:21749(anonymous function) @ main.js:21671ReactDOMComponent_mountComponent @ main.js:26808(anonymous function) @ main.js:20513ReactCompositeComponent_mountComponent @ main.js:26808mountChildren @ main.js:26262_createContentMarkup @ main.js:21749(anonymous function) @ main.js:21671ReactDOMComponent_mountComponent @ main.js:26808(anonymous function) @ main.js:20513ReactCompositeComponent_mountComponent @ main.js:26808mountChildren @ main.js:26262_createContentMarkup @ main.js:21749(anonymous function) @ main.js:21671ReactDOMComponent_mountComponent @ main.js:26808mountChildren @ main.js:26262_createContentMarkup @ main.js:21749(anonymous function) @ main.js:21671ReactDOMComponent_mountComponent @ main.js:26808(anonymous function) @ main.js:20513ReactCompositeComponent_mountComponent @ main.js:26808mountChildren @ main.js:26262_createContentMarkup @ main.js:21749(anonymous function) @ main.js:21671ReactDOMComponent_mountComponent @ main.js:26808(anonymous function) @ main.js:20513ReactCompositeComponent_mountComponent @ main.js:26808mountChildren @ main.js:26262_createContentMarkup @ main.js:21749(anonymous function) @ main.js:21671ReactDOMComponent_mountComponent @ main.js:26808(anonymous function) @ main.js:20513ReactCompositeComponent_mountComponent @ main.js:26808(anonymous function) @ main.js:27718perform @ main.js:29863renderToString @ main.js:27716handleSubmitSave @ main.js:34167executeDispatch @ main.js:17487executeDispatch @ main.js:28890forEachEventDispatch @ main.js:17475executeDispatchesInOrder @ main.js:17496executeDispatchesAndRelease @ main.js:16867forEachAccumulated @ main.js:30787processEventQueue @ main.js:17072runEventQueueInBatch @ main.js:24347handleTopLevel @ main.js:24373handleTopLevelImpl @ main.js:24459perform @ main.js:29863batchedUpdates @ main.js:23090batchedUpdates @ main.js:28086dispatchEvent @ main.js:24554

[rowasc]

Thanks for the bug report.
@alderven I cannot reproduce in master branch with the latest version.
@davidevernizzi I see the live version is crashing. Can you verify if this is up to date in the server?
Thanks