If node/3215549198 really exists, and isn't just a test node, it needs a main tag.

If the shop here node/3206040350/history it needs a main tag, presumaby one of these http://taginfo.openstreetmap.org/keys/shop#values ?

The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground. User comments: "this cinema doesn't exist anymore " (OSM data version: 2017-01-19T15:17:02Z) #mapsme

shop=street_vendor is a really poor idea. Shop is tagged by type of product sold at a given location, see shop=*

There is more of things tagged this way - see http://overpass-turbo.eu/s/r8A

"200 m further west towards the ocean"
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Rustom Icecreams
POI types: amenity-ice_cream
OSM data version: 2018-01-26T12:04:02Z
#mapsme

This is an old image, showing the old INS Vikrant that was scrapped a few years ago. It is no longer there. Please do not add it.

The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground. User comments: "wrong position " (OSM data version: 2017-03-06T16:48:02Z) #mapsme

Missing street:
A new road below the metro is connected to Andheri Ghatkopar road
This error is submitted from Navmii GPS.