[MJSONWP] Encountered internal error running command: TypeError: Path must be a string. Received null

gistfile1.txt

[debug] [MJSONWP] Calling AppiumDriver.createSession() with args: [{"newCommandTimeout":999999,"automationName":"uiautomator2","platformName":"Android","platformVersion":"5.1","deviceName":"placeholder string","browserName":"Chrome"},null,null,null,null]
[Appium] Creating new AndroidUiautomator2Driver (v0.2.11) session
[Appium] Capabilities:
[Appium]   newCommandTimeout: 999999
[Appium]   automationName: 'uiautomator2'
[Appium]   platformName: 'Android'
[Appium]   platformVersion: '5.1'
[Appium]   deviceName: 'placeholder string'
[Appium]   browserName: 'Chrome'
[BaseDriver] Session created with session id: 478f169a-1d70-450c-bdc0-62d5e4568a5a
[UiAutomator2] UIAutomator2 Driver version:0.2.11
[debug] [AndroidDriver] Getting Java version
[AndroidDriver] Java version is: 1.8.0_102
[ADB] Checking whether adb is present
[ADB] Using adb from /Users/vikram-anna/Library/Android/sdk/platform-tools/adb
[AndroidDriver] Retrieving device list
[debug] [ADB] Trying to find a connected android device
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[AndroidDriver] Looking for a device with Android '5.1'
[debug] [ADB] Setting device id to 000007CF003ACABB
[ADB] Getting device platform version
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","getprop","ro.build.version.release"]
[AndroidDriver] Using device: 000007CF003ACABB
[ADB] Checking whether adb is present
[ADB] Using adb from /Users/vikram-anna/Library/Android/sdk/platform-tools/adb
[debug] [ADB] Setting device id to 000007CF003ACABB
[AndroidDriver] No app sent in, not parsing package/activity
[ADB] Getting device platform version
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","getprop","ro.build.version.release"]
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","wm","size"]
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","getprop","ro.product.model"]
[debug] [ADB] Current device property 'ro.product.model': Micromax Q413
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","getprop","ro.product.manufacturer"]
[debug] [ADB] Current device property 'ro.product.manufacturer': Micromax
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","am","force-stop","io.appium.uiautomator2.server"]
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","wait-for-device"]
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","echo","ping"]
[debug] [Logcat] Starting logcat capture
[debug] [AndroidDriver] Pushing settings apk to device...
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","install","/usr/local/lib/node_modules/appium/node_modules/io.appium.settings/bin/settings_apk-debug.apk"]
[debug] [AndroidDriver] Pushing unlock helper app to device...
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","install","/usr/local/lib/node_modules/appium/node_modules/appium-unlock/bin/unlock_apk-debug.apk"]
[debug] [UiAutomator2] Forwarding UiAutomator2 Server port 6790 to 8200
[debug] [ADB] Forwarding system: 8200 to device: 6790
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","forward","tcp:8200","tcp:6790"]
[debug] [ADB] Getting connected devices...
[debug] [ADB] 1 device(s) connected
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","shell","dumpsys","window"]
[AndroidDriver] Screen already unlocked, doing nothing
[debug] [UiAutomator2] Deleting UiAutomator2 session
[debug] [UiAutomator2] Deleting UiAutomator2 server session
[UiAutomator2] Did not get confirmation UiAutomator2 deleteSession worked; Error was: Error: Trying to proxy a session command without session id
[debug] [Logcat] Stopping logcat capture
[debug] [ADB] Removing forwarded port socket connection: 8200 
[debug] [ADB] Running '/Users/vikram-anna/Library/Android/sdk/platform-tools/adb' with args: ["-P",5037,"-s","000007CF003ACABB","forward","--remove","tcp:8200"]
[MJSONWP] Encountered internal error running command: TypeError: Path must be a string. Received null
    at assertPath (path.js:7:11)
    at Object.resolve (path.js:1146:7)
    at Object.callee$0$0$ (../../lib/android-helpers.js:355:28)
    at tryCatch (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:67:40)
    at GeneratorFunctionPrototype.invoke [as _invoke] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:315:22)
    at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
    at invoke (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:136:37)
    at enqueueResult (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:185:17)
    at F (/usr/local/lib/node_modules/appium/node_modules/core-js/library/modules/$.export.js:30:36)
    at AsyncIterator.enqueue (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:184:12)
    at AsyncIterator.prototype.(anonymous function) [as next] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
    at Object.runtime.async (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:209:12)
    at Object.callee$0$0 [as pushStrings] (../../lib/android-helpers.js:368:21)
    at AndroidUiautomator2Driver.initAUT$ (../../lib/driver.js:292:64)
    at tryCatch (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:67:40)
    at GeneratorFunctionPrototype.invoke [as _invoke] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:315:22)
    at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
    at invoke (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:136:37)
    at enqueueResult (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:185:17)
    at F (/usr/local/lib/node_modules/appium/node_modules/core-js/library/modules/$.export.js:30:36)
    at AsyncIterator.enqueue (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:184:12)
    at AsyncIterator.prototype.(anonymous function) [as next] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
    at Object.runtime.async (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:209:12)
    at AndroidUiautomator2Driver.initAUT (../../lib/driver.js:309:17)
    at AndroidUiautomator2Driver.startUiAutomator2Session$ (../../lib/driver.js:247:18)
    at tryCatch (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:67:40)
    at GeneratorFunctionPrototype.invoke [as _invoke] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:315:22)
    at GeneratorFunctionPrototype.prototype.(anonymous function) [as next] (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:100:21)
    at GeneratorFunctionPrototype.invoke (/usr/local/lib/node_modules/appium/node_modules/babel-runtime/regenerator/runtime.js:136:37)
    at process._tickCallback (internal/process/next_tick.js:103:7)
[HTTP] <-- POST /wd/hub/session 500 11516 ms - 173