Unable to find the element

and where is a problem? pls show code that fails.

Thanks, Previous issue fixed now getting this error.

driver.js:230:7)
[debug] [W3C] at AppiumDriver.createSession (C:\Users\Junaid Malik\AppData\Roaming\npm\node_modules\appium\lib\appium.js:387:35)
[HTTP] <-- POST /wd/hub/session 500 4598 ms - 1386
[HTTP]