Brower login affecting API login

chandankr@yahoo.com
Since a couple of days, logging in manually via browser into kite.zerodha.com is causing auth issues in nodejs api.
StatusCodeError: 403 - "{\"status\": \"error\", \"message\": \"Invalid session\", \"erro
r_type\": \"TokenException\"}"

This was not the case earlier - i used to login into nodejs api in the morning and do manual login later via browser with no issues. Has something changed.

Is multiple login allowed or will manual login invalidate API session?
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