Unable to call API with Fetch, with React native version 0.45. [TypeError: Network request failed]

[proactive-solutions]

I am Unable to call API with Fetch library. Below are the details.

from console log, my URL is already using HTTPS and I have also added Allow Arbitrary Loads key in info.plist

Jun 27 16:23:36 Administrators-Mac-mini Experiments[38809] : { [TypeError: Network request failed]
line: 15459,
column: 29,
sourceURL: 'http://localhost:8081/index.ios.bundle?platform=ios&dev=true&minify=false' }