telescope - Getting an error while trying to deploy with Modolus -

i following this tutorial (using meteor on modulus) test telescope app , how deploy works

i getting error :

unable connect application instances.

and log:

/mnt/data/1/node_modules/fibers/future.js:245 throw(ex); ^ typeerror: cannot read property 'name' of undefined @ app/server/migrations.js:469:43 @ [object object]._.extend.foreach (packages/mongo/mongo_driver.js:965:1) @ [object object].cursor.(anonymous function) [as foreach] (packages/mongo/mongo_driver.js:812:1) @ object.migrationslist.updateusernames (app/server/migrations.js:462:14) @ runmigration (app/server/migrations.js:45:52) @ app/server/migrations.js:10:5 @ array.foreach (native) @ function..each..foreach (packages/underscore/underscore.js:105:1) @ meteor.methods.removemigration.migrations.remove.name (app/server/migrations.js:9:5) @ /mnt/data/1/programs/server/boot.js:229:5 [2015-04-09t22:31:49.395z] failed start application.

thank !!

this common issue when don't redeploy application after first step.

run 2 commands.

modulus project restart modulus deploy 

note sure url don't have blank space either.