JSON contains multiple core supervisors

[0xf0xx0]

Cant upload this json without that error happening. a sample of it:

[
  {
    "label": "Tzvi",
    "owner": "Amarr Empire",
    "occupier": "Minmatar Republic",
    "y": 60,
    "vp_thresh": 3000,
    "contested": "contested",
    "color": "#603934"
  },
  {
    "label": "Klogori",
    "owner": "Minmatar Republic",
    "occupier": "Minmatar Republic",
    "y": 0,
    "vp_thresh": 3000,
    "contested": "uncontested",
    "color": "#603934"
  },
  {
    "label": "Ladistier",
    "owner": "Gallente Federation",
    "occupier": "Caldari State",
    "y": 1,
    "vp_thresh": 3000,
    "contested": "uncontested",
    "color": "#44474e"
  },
  {
    "label": "Murethand",
    "owner": "Gallente Federation",
    "occupier": "Gallente Federation",
    "y": 19,
    "vp_thresh": 3000,
    "contested": "contested",
    "color": "#28352e"
  },
// more...

[maxclac]

Same problem here. Is it solved yet?