Using latest Digitransit master, I frequently got this error:
{ Invariant Violation: RelayPendingQueryTracker: Expected response to be an object, got `null`.
at invariant (/var/www/transports/digitransit-ui-paris/node_modules/fbjs/lib/invariant.js:42:15)
at /var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayPendingQueryTracker.js:125:36
at /var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayTaskQueue.js:108:25
at /var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayTaskQueue.js:114:14
at RelayTaskQueue._invokeWithinScopedQueue (/var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayTaskQueue.js:154:7)
at /var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayTaskQueue.js:144:14
at RelayTaskQueue._scheduleIfNecessary (/var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayTaskQueue.js:171:9)
at RelayTaskQueue.enqueue (/var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayTaskQueue.js:120:10)
at PendingFetch._handleQuerySuccess (/var/www/transports/digitransit-ui-paris/node_modules/react-relay/lib/RelayPendingQueryTracker.js:123:68)
at tryCallOne (/var/www/transports/digitransit-ui-paris/node_modules/promise/lib/core.js:37:12) name: 'Invariant Violation', framesToPop: 1 }
Using latest Digitransit master, I frequently got this error: