node.js file error when i run Forever commend on server.

if (!this.state.fragmentedOperation) this.unfragmentedBufferPool.reset(true);
^
TypeError: Cannot read property 'fragmentedOperation' of null
at Receiver.endPacket (C:\Users\root\Desktop\Server\windowsnodefiles\node-v6.10.3-win-x64\node_modules\socket.io\node_modules\ws\lib\Receiver.js:247:18)
at Receiver.finish (C:\Users\root\Desktop\Server\windowsnodefiles\node-v6.10.3-win-x64\node_modules\socket.io\node_modules\ws\lib\Receiver.js:483:12)
at Receiver. (C:\Users\root\Desktop\Server\windowsnodefiles\node-v6.10.3-win-x64\node_modules\socket.io\node_modules\ws\lib\Receiver.js:451:33)
at Receiver.add (C:\Users\root\Desktop\Server\windowsnodefiles\node-v6.10.3-win-x64\node_modules\socket.io\node_modules\ws\lib\Receiver.js:95:24)
at Socket.realHandler (C:\Users\root\Desktop\Server\windowsnodefiles\node-v6.10.3-win-x64\node_modules\socket.io\node_modules\ws\lib\WebSocket.js:800:20)
at emitOne (events.js:96:13)
at Socket.emit (events.js:188:7)
at readableAddChunk (_stream_readable.js:176:18)
at Socket.Readable.push (_stream_readable.js:134:10)
at TCP.onread (net.js:547:20)
error: Forever detected script exited with code: 1
error: Script restart attempt #6
Error: %1 is not a valid Win32 application.