Element not found {#blob_item.inputFile}
Expected: exist
Timeout: 10 s.
Caused by: WebDriverException: unknown error: Cannot use 'in' operator to search for 'String' in 3
	at com.codeborne.selenide.impl.WebElementSource.createElementNotFoundError(WebElementSource.java:31)
	at com.codeborne.selenide.impl.ElementFinder.createElementNotFoundError(ElementFinder.java:82)
	at com.codeborne.selenide.impl.SelenideElementProxy.dispatchAndRetry(SelenideElementProxy.java:115)
	at com.codeborne.selenide.impl.SelenideElementProxy.invoke(SelenideElementProxy.java:62)
	at com.sun.proxy.$Proxy47.uploadFile(Unknown Source)
	at com.pages.ContentPage.uploadFile(ContentPage.java:32)
	at com.adminPanelTests.ContentTests.addContentTest(ContentTests.java:22)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:108)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:661)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:869)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1193)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:126)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
	at org.testng.TestRunner.privateRun(TestRunner.java:744)
	at org.testng.TestRunner.run(TestRunner.java:602)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:380)
	at org.testng.SuiteRunner.access$000(SuiteRunner.java:39)
	at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:414)
	at org.testng.internal.thread.ThreadUtil$1.call(ThreadUtil.java:52)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.openqa.selenium.WebDriverException: unknown error: Cannot use 'in' operator to search for 'String' in 3
  (Session info: chrome=59.0.3071.115)
  (Driver info: chromedriver=2.30.477690 (c53f4ad87510ee97b5c3425a14c0e79780cdf262),platform=Mac OS X 10.11.6 x86_64) (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 22 milliseconds
Build info: version: '3.4.0', revision: 'unknown', time: 'unknown'
System info: host: 'injoits-Mac-mini-2.local', ip: 'fe80:0:0:0:12dd:b1ff:febf:d749%en0', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.11.6', java.version: '1.8.0_91'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{applicationCacheEnabled=false, rotatable=false, mobileEmulationEnabled=false, networkConnectionEnabled=false, chrome={chromedriverVersion=2.30.477690 (c53f4ad87510ee97b5c3425a14c0e79780cdf262), userDataDir=/var/folders/mg/3jb28khj6bq1hfhqg83zn2hr0000gp/T/.org.chromium.Chromium.PUtwWJ}, takesHeapSnapshot=true, pageLoadStrategy=normal, databaseEnabled=false, handlesAlerts=true, hasTouchScreen=false, version=59.0.3071.115, platform=MAC, browserConnectionEnabled=false, nativeEvents=true, acceptSslCerts=true, locationContextEnabled=true, webStorageEnabled=true, browserName=chrome, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEnabled=true, unexpectedAlertBehaviour=}]
Session ID: 07abc34a6d7920e816046bf1a9b025f3
*** Element info: {Using=css selector, value=#blob_item.inputFile}
	at sun.reflect.GeneratedConstructorAccessor232.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:215)
	at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:167)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:671)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:410)
	at org.openqa.selenium.remote.RemoteWebDriver.findElementByCssSelector(RemoteWebDriver.java:501)
	at org.openqa.selenium.By$ByCssSelector.findElement(By.java:430)
	at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:402)
	at com.codeborne.selenide.impl.WebElementSelector.findElement(WebElementSelector.java:28)
	at com.codeborne.selenide.impl.ElementFinder.getWebElement(ElementFinder.java:56)
	at com.codeborne.selenide.commands.UploadFile.execute(UploadFile.java:28)
	at com.codeborne.selenide.commands.UploadFile.execute(UploadFile.java:14)
	at com.codeborne.selenide.commands.Commands.execute(Commands.java:142)
	at com.codeborne.selenide.impl.SelenideElementProxy.dispatchAndRetry(SelenideElementProxy.java:86)
	... 24 more