• Resolved strarsis

    (@strarsis)


    When adding a new Timeline Block in Gutenberg editor,
    the editor crashes with error message:

    TypeError: Cannot read property ‘map’ of null
    at […]/app/plugins/gutenberg/build/components/index.js?ver=1551862916:19:216430
    at dn ([…]/app/plugins/gutenberg/build/components/index.js?ver=1551862916:19:216681)
    at updateFunctionComponent ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:14341:20)
    at beginWork ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:15199:16)
    at performUnitOfWork ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:17944:12)
    at workLoop ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:17984:24)
    at renderRoot ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:18070:7)
    at performWorkOnRoot ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:18961:7)
    at performWork ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:18873:7)
    at performSyncWork ([…]/wp/wp-includes/js/dist/vendor/react-dom.js?ver=16.6.3:18847:3)

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