selenium exception

example.js

var webdriverio = require('webdriverio');
var options = { desiredCapabilities: { browserName: 'chrome' }, logLevel: 'verbose' };
var client = webdriverio.remote(options);

client
    .init()
    .windowHandleSize({width: 1920, height: 1080})
    .url('https://showbox.com/workspace.html')
    .waitForExist('.login button[data-modal="signup"]', 10000)
    .click('.login button[data-modal="signup"]')
    .pause(2000)
    .addValue('#fullname', 'Showbox User')
    .addValue('#email', 'example@example.com')
    .addValue('#password', 'test1234')
    .waitForExist('#signupForm button.bgPink.hoverBtn', 10000)
    .click('#signupForm button.bgPink.hoverBtn')
    .end();

// Selenium server exception:

13:24:39.258 WARN - Exception thrown
org.openqa.selenium.ElementNotVisibleException: element not visible
  (Session info: chrome=49.0.2623.110)
  (Driver info: chromedriver=2.19.346067 (6abd8652f8bc7a1d825962003ac88ec6a37a82f1),platform=Linux 3.13.0-85-generic x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 46 milliseconds
Build info: version: '2.53.0', revision: '35ae25b', time: '2016-03-15 17:00:58'
System info: host: 'eyal-xubuntu', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'amd64', os.version: '3.13.0-85-generic', java.version: '1.7.0_95'
Session ID: 890fee2ce66bc867864473a059a9806c
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{platform=LINUX, acceptSslCerts=true, javascriptEnabled=true, browserName=chrome, chrome={userDataDir=/tmp/.com.google.Chrome.SNZMqK}, rotatable=false, locationContextEnabled=true, mobileEmulationEnabled=false, version=49.0.2623.110, takesHeapSnapshot=true, cssSelectorsEnabled=true, databaseEnabled=false, handlesAlerts=true, browserConnectionEnabled=false, webStorageEnabled=true, nativeEvents=true, hasTouchScreen=false, applicationCacheEnabled=false, takesScreenshot=true}]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:678)
    at org.openqa.selenium.remote.RemoteWebElement.execute(RemoteWebElement.java:327)
    at org.openqa.selenium.remote.RemoteWebElement.sendKeys(RemoteWebElement.java:122)
    at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.openqa.selenium.support.events.EventFiringWebDriver$EventFiringWebElement$1.invoke(EventFiringWebDriver.java:335)
    at com.sun.proxy.$Proxy2.sendKeys(Unknown Source)
    at org.openqa.selenium.support.events.EventFiringWebDriver$EventFiringWebElement.sendKeys(EventFiringWebDriver.java:358)
    at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.openqa.selenium.remote.server.KnownElements$1.invoke(KnownElements.java:64)
    at com.sun.proxy.$Proxy3.sendKeys(Unknown Source)
    at org.openqa.selenium.remote.server.handler.SendKeys.call(SendKeys.java:50)
    at org.openqa.selenium.remote.server.handler.SendKeys.call(SendKeys.java:1)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:176)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)