Exception in rendering!

Message: Cannot read property 'items' of undefined

TypeError: Cannot read property 'items' of undefined
    at t.value (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:359874)
    at _renderValidatedComponentWithoutOwnerOrContext (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:250605)
    at _renderValidatedComponent (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:250712)
    at performInitialMount (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:246595)
    at mountComponent (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:245641)
    at Object.mountComponent (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:22419)
    at d.mountChildren (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:240982)
    at d._createContentMarkup (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:230390)
    at d.mountComponent (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:229058)
    at Object.mountComponent (/tmp/nacmartin_phpexecjs5a34fabb258790.76622903.js:11:22419)