Ok so i downloaded this as players on my server requested it . it all seems to be working fine but im getting a 20 %  increase per lvl  which on a 5x server is way to much . ive gone into the config.json file to see whats what and this is what im looking at 

{
  "PlayerInfo": {
    "76561198079149446": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198053779754": {
      "WCL": 6,
      "WCP": 4270,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198197351405": {
      "WCL": 6,
      "WCP": 3640,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 40,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198146761184": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565614,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198253187518": {
      "WCL": 5,
      "WCP": 3010,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198018576945": {
      "WCL": 1,
      "WCP": 10,
      "ML": 5,
      "MP": 3310,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 70,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561197962147836": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198221321036": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198878742159": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198040391079": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198851559387": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198346494304": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198065734705": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198090871965": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198034669066": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198799609191": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198345912372": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198797862187": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561197974279818": {
      "WCL": 3,
      "WCP": 995,
      "ML": 5,
      "MP": 2705,
      "SL": 1,
      "SP": 10,
      "AL": 2,
      "AP": 425,
      "CL": 1,
      "CP": 10,
      "LD": 1551567202,
      "LLD": 1551566026,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561197991048235": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198184104701": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198118572014": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    },
    "76561198826791752": {
      "WCL": 1,
      "WCP": 10,
      "ML": 1,
      "MP": 10,
      "SL": 1,
      "SP": 10,
      "AL": 1,
      "AP": 10,
      "CL": 1,
      "CP": 10,
      "LD": 1551565602,
      "LLD": 1551565602,
      "XPM": 100,
      "CUI": true,
      "ONOFF": true
    }
  }
}

soorry for the long post but what in the holy fk does any of that mean . ><  

That would be the oxide/data file for the plugin, not the config file. A data files generally stores information about the plugin or players in this case.

o right thx my bad stupid moment