Required Expert with Instagram API + Ruby on Rails

I run a bot on Ruby on Rails for IG - to scrape likes/comments and other data continiously. Bot is hosted on Digital Ocean. Uses 5 IG accounts x 5 proxies (dedicated/non-sequential). Since 2 days I'm facing a problem - whenever my accounts login to Instagram - it asks for challenge / verification - I give it code (sent to my mobile) and then it logins for 2 minutes but again it starts to ask for challenge / verification. I am stuck in this loop. I tried new IPs. And different accounts. Someone who has experience with Instagram API - and bots - and fake agent - and Ruby on Rail can help me with this. You must be expert in this to fix this issue.