it doesn’t work by changing 'Player' with 'htnplayer'

"Kill 5 scientist": {
"QuestName": "Kill 5 scientist",
"Description": "Kill 5 scientist",
"Objective": "player",       = HTNPlayer
"ObjectiveName": "Player",         = HTNPlayer
"AmountRequired": 1,
"Cooldown": 720,
"ItemDeduction": false,
"Rewards": [

Thanks