I am getting this error on home page what is the reason for this error. I have tried many times but could not fix this error. I have given DATABASE NAME correctly in DATABASE .ENV. Below are some pictures please note it.
index.page

Database

.env
APP_NAME=Reward-App
APP_ENV=production
APP_KEY=base64:t9Pl+P0jnbnmS2tNpEuh4CT+x+T6xZrKcDhGb1oOCJ4=
APP_DEBUG=false
APP_URL=
LOG_CHANNEL=stack
DB_CONNECTION=mysql
DB_HOST=localhost
DB_PORT=3306
DB_DATABASE=test3
DB_USERNAME=root
DB_PASSWORD=
BROADCAST_DRIVER=log
CACHE_DRIVER=file
QUEUE_CONNECTION=sync
SESSION_DRIVER=file
SESSION_LIFETIME=120
REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null
REDIS_PORT=6379
MAIL_MAILER=smtp
MAIL_HOST=smtp.gmail.com
MAIL_PORT=465
MAIL_USERNAME=
MAIL_PASSWORD=
MAIL_ENCRYPTION=ssl
MAIL_FROM_NAME="${APP_NAME}"
AWS_ACCESS_KEY_ID=
AWS_SECRET_ACCESS_KEY=
AWS_DEFAULT_REGION=us-east-1
AWS_BUCKET=
HEADER_USER=rewardfsJGSA
PUSHER_APP_ID=
PUSHER_APP_KEY=
PUSHER_APP_SECRET=
PUSHER_APP_CLUSTER=mt1
MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"