wstats is not iterable

TypeError: wstats is not iterable
    at getWstatsForPlayer (file:///src/server.js:8540:25)
    at file:///src/server.js:8551:20
    at Array.reduce (<anonymous>)
    at getPlayersFromTeamForMatch (file:///src/server.js:8548:46)
    at getPlayers (file:///src/server.js:9259:21)
    at Object.get players (file:///src/server.js:9304:18)
    at Object.get each (file:///src/server.js:8522:20)
    at simpleMap (file:///src/server.js:610:22)
    at For (file:///src/server.js:621:10)
    at createComponent (file:///src/server.js:562:15)