ERROR main: couldn’t parse target URL: parse 10.136.82.75:8080: first path segment in URL cannot contain colon

In my: /opt/tyk-gateway/apps/
“proxy”: {
“listen_path”: “/abc/”,
“target_url”: “10.136.82.75:8080”,
“strip_listen_path”: true
}
In Terminal :
ERROR main: couldn’t parse target URL: parse 10.136.82.75:8080: first path segment in URL cannot contain colon api_id=1 org_id=default