NodeJS/Express server deployed succesfully without errors but when resource requested it's going in infinite loop

Check this image :point_up_2:

I have deployed NodeJS server succesfully but when i hit ani api it’s going in infinite loop.
It was working when i deployed, but after 1 succesfull api hit, it has stopped working.

No errors on console. Pls anyone help me. Not getting what’s happening. Is it memory issue or what?

I m currently using FREE plan of render