Unable to run workflow, getting error

[kardas venkatesh]

Hi all, i developed an android native app, and i want to build it to playstore from appcenter through github workflow pipelines, but while running the workflow iam getting this issue like below, can anybody please help me on this issue.

Iam providing the workflow syntax for better understanding.

name: deploy-apk
	on:
	workflow_dispatch:
	push:
	tags:
	- 'v[0-9]+.[0-9]+.[0-9]+([0-9]+)'
	env:
	APP_CENTER_TOKEN: ${{ secrets.APP_CENTER_TOKEN_MYAPP_ANDROID_TEST }}
	APP_NAME: ${{ 'kardas_apps/ENV_TEST' }}
	TESTING_GROUP: ${{ 'ENV_TEST' }}
	UPLOAD_FILE: ${{ 'android/app/build/outputs/apk/app-release.apk' }}
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	- name: npm init
	run: npm init
	- name: Install dependencies
	run: npm install
	- name: Build android
	run: npm run cd android && ./gradlew assembleRelease
	- name: Upload to App Center
	uses: wzieba/AppCenter-Github-Action@v1
	with:
	appName: ${{ env.APP_NAME }}
	token: ${{ env.APP_CENTER_TOKEN }}
	group: ${{ env.TESTING_GROUP }}
	file: ${{ env.UPLOAD_FILE }}
	notifyTesters: true
	debug: false