Add tracks to playlist API returns 50x

[alex_matviichuk]

I created a new playlist with create playlist API. After I called API to add tracks to the playlist. As a result I got 500 or 503 error

I'm using spotify-web-api-node package for Node.js

[alex_matviichuk]

This question is duplication of https://community.spotify.com/t5/Spotify-for-Developers/Add-tracks-to-playlist-returns-50x-error/m-p... 
It didn't show created issue