Meteor doesn't start

Today I tried to start meteor but got an error every time: I don't know what's wrong but before it worked as well

/home/denis/.meteor/packages/meteor-tool/.1.0.32.1s55y3t++os.linux.x86_32+web.browser+web.cordova/meteor-tool-os.linux.x86_32/dev_bundle/lib/node_modules/fibers/future.js:206
                    throw(ex);
                          ^
Error: DDP disconnected
at Object.Future.wait (/home/denis/.meteor/packages/meteor-tool/.1.0.32.1s55y3t++os.linux.x86_32+web.browser+web.cordova/meteor-tool-os.linux.x86_32/dev_bundle/lib/node_modules/fibers/future.js:326:15)