Solc ConsoleLog Error Msg

username@linuxmint ~/Documents/workspace/EthereumWorkspace/prod/inbox $ node compile.js
/home/username/Documents/workspace/EthereumWorkspace/prod/inbox/node_modules/solc/soljson.js:1
(function (exports, require, module, __filename, __dirname) { var Module;if(!Module)Module=(typeof Module!=="undefined"?Module:null)||{};var moduleOverrides={};for(var key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var ENVIRONMENT_IS_WEB=typeof window==="object";var ENVIRONMENT_IS_WORKER=typeof importScripts==="function";var ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;var ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;if(ENVIRONMENT_IS_NODE){if(!Module["print"])Module["print"]=function print(x){process["stdout"].write(x+"\n")};if(!Module["printErr"])Module["printErr"]=function printErr(x){process["stderr"].write(x+"\n")};var nodeFS=require("fs");var nodePath=require("path");Module["read"]=function read(filename,binary){filename=nodePath["normalize"](filename);var ret=n

AssertionError [ERR_ASSERTION]: Invalid callback specified.
    at wrapCallback (/home/username/Documents/workspace/EthereumWorkspace/prod/inbox/node_modules/solc/wrapper.js:16:5)
    at runWithReadCallback (/home/username/Documents/workspace/EthereumWorkspace/prod/inbox/node_modules/solc/wrapper.js:37:42)
    at compileStandard (/home/username/Documents/workspace/EthereumWorkspace/prod/inbox/node_modules/solc/wrapper.js:78:14)
    at Object.compileStandardWrapper (/home/username/Documents/workspace/EthereumWorkspace/prod/inbox/node_modules/solc/wrapper.js:85:14)
    at Object.<anonymous> (/home/username/Documents/workspace/EthereumWorkspace/prod/inbox/compile.js:8:18)
    at Module._compile (module.js:653:30)
    at Object.Module._extensions..js (module.js:664:10)
    at Module.load (module.js:566:32)
    at tryModuleLoad (module.js:506:12)
    at Function.Module._load (module.js:498:3)