Meteor explodes over my application

Exception from Meteor.flush: TypeError: Cannot call method 'firstNode' of undefined
    at Object.Spark.renderToRange (http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:545:25)
    at http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:860:13
    at http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:78:31
    at _.extend.run (http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:19:20)
    at rerun (http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:78:11)
    at _.extend.onInvalidate (http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:42:9)
    at rerun (http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:79:11)
    at Object.Meteor.autorun (http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:81:5)
    at Object.Spark.isolate (http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:840:10)
    at http://localhost:3000/packages/templating/deftemplate.js?91fdd4353cca922f7a59ff593d000211c2857c84:134:28 logging.js:30

Exception from Meteor.flush: TypeError: Cannot call method 'firstNode' of undefined
    at Object.Spark.renderToRange (http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:545:25)
    at http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:860:13
    at http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:78:31
    at _.extend.run (http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:19:20)
    at rerun (http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:78:11)
    at http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:71:15
    at Array.forEach (native)
    at Function._.each._.forEach (http://localhost:3000/packages/underscore/underscore.js?47479149fe12fc56685a9de90c5a9903390cb451:79:11)
    at http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:69:13
    at Array.forEach (native) logging.js:30

Exception from Meteor._atFlush: TypeError: Cannot call method 'containerNode' of undefined
    at http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:992:60
    at withEventGuard (http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:105:16)
    at http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:981:9
    at http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:106:13
    at http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:71:15
    at Array.forEach (native)
    at Function._.each._.forEach (http://localhost:3000/packages/underscore/underscore.js?47479149fe12fc56685a9de90c5a9903390cb451:79:11)
    at http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:69:13
    at Array.forEach (native)
    at Function._.each._.forEach (http://localhost:3000/packages/underscore/underscore.js?47479149fe12fc56685a9de90c5a9903390cb451:79:11) logging.js:30

Exception from Meteor.flush: TypeError: Cannot call method 'firstNode' of undefined
    at Object.Spark.renderToRange (http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:545:25)
    at http://localhost:3000/packages/spark/spark.js?c202b31550c71828e583606c7a5e233ae9ca50e9:860:13
    at http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:78:31
    at _.extend.run (http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:19:20)
    at rerun (http://localhost:3000/packages/deps/deps-utils.js?f3fceedcb1921afe2b17e4dbd9d4c007f409eebb:78:11)
    at http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:71:15
    at Array.forEach (native)
    at Function._.each._.forEach (http://localhost:3000/packages/underscore/underscore.js?47479149fe12fc56685a9de90c5a9903390cb451:79:11)
    at http://localhost:3000/packages/deps/deps.js?1df0a05d3ec8fd21f591cfc485e7b03d2e2b6a01:69:13
    at Array.forEach (native)