Erreur 500

TypeError: Cannot read property '0' of undefined
    at estateTypes (/data/apps/explo9-reactive/7.7.0/public/webpack:/app/common/async-action-creators.js:204:45)
    at /data/apps/explo9-reactive/7.7.0/node_modules/redux-thunk/lib/index.js:11:18
    at dispatch (/data/apps/explo9-reactive/7.7.0/public/webpack:/app/common/components/detail/detail-root.js:249:17)
    at process._tickCallback (internal/process/next_tick.js:68:7)
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