Could you explain please why do I get null for distances and durations

https://router.project-osrm.org/table/v1/driving/49.81755316257477,40.39497998078589;49.8177462816238,40.3949953014633?destinations=0&annotations=distance,duration

{ "code": "Ok", "distances": [ [ 0 ], [ null ] ], "durations": [ [ 0 ], [ null ] ], "sources": [ { "hint": "X2UjgP___38IAAAAOwAAAAAAAAAAAAAASVR7QUtutUIAAAAAAAAAAAgAAAA7AAAAAAAAAAAAAADOHAEAcij4AqRhaALRJ_gC5GBoAgAArwfGoB5W", "location": [ 49.817714, 40.395172 ], "name": "Tbilisi prospekti" }, { "hint": "X2UjgP___38PAAAAOwAAAAAAAAAAAAAAmhTlQa2Tm0IAAAAAAAAAAA8AAAA7AAAAAAAAAAAAAADOHAEA8ij4AmVhaAKSKPgC82BoAgAArwfGoB5W", "location": [ 49.817842, 40.395109 ], "name": "Tbilisi prospekti" } ], "destinations": [ { "hint": "X2UjgP___38IAAAAOwAAAAAAAAAAAAAASVR7QUtutUIAAAAAAAAAAAgAAAA7AAAAAAAAAAAAAADOHAEAcij4AqRhaALRJ_gC5GBoAgAArwfGoB5W", "location": [ 49.817714, 40.395172 ], "name": "Tbilisi prospekti" } ] }

According to documentaion it is ok if htere is no route was found, but actually there is route between this points

http://router.project-osrm.org/route/v1/driving/49.81755316257477,40.39497998078589;49.8177462816238,40.3949953014633?steps=true

{"code":"Ok","waypoints":[{"hint":"r1YjgP___38IAAAAOwAAAAAAAAAAAAAASVR7QUtutUIAAAAAAAAAAAgAAAA7AAAAAAAAAAAAAACoHAEAcij4AqRhaALRJ_gC5GBoAgAArwfka4u4","location":[49.817714,40.395172],"name":"Tbilisi prospekti"},{"hint":"r1YjgP___38PAAAAOwAAAAAAAAAAAAAAmhTlQa2Tm0IAAAAAAAAAAA8AAAA7AAAAAAAAAAAAAACoHAEA8ij4AmVhaAKSKPgC82BoAgAArwfka4u4","location":[49.817842,40.395109],"name":"Tbilisi prospekti"}],"routes":[{"legs":[{"steps":[{"intersections":[{"out":0,"entry":[true],"location":[49.817714,40.395172],"bearings":[123]}],"driving_side":"right","geometry":"ytpuFu_aoHJY","duration":0.7,"distance":12.9,"name":"Tbilisi prospekti","weight":0.7,"mode":"driving","maneuver":{"bearing_after":123,"location":[49.817714,40.395172],"type":"depart","bearing_before":0,"modifier":"right"}},{"intersections":[{"in":0,"entry":[true],"location":[49.817842,40.395109],"bearings":[303]}],"driving_side":"right","geometry":"mtpuFoaoH","duration":0,"distance":0,"name":"Tbilisi prospekti","weight":0,"mode":"driving","maneuver":{"bearing_after":0,"location":[49.817842,40.395109],"type":"arrive","bearing_before":123,"modifier":"right"}}],"weight":0.7,"distance":12.9,"summary":"Tbilisi prospekti","duration":0.7}],"weight_name":"routability","geometry":"ytpuFu_aoHJY","weight":0.7,"distance":12.9,"duration":0.7}]}`