Epomaker deprecated the older batch of keyboards that will make everyone that have boards with below vender and product ids unable to connect to VIA. You can you this definition file instead of the official ones to be able to connect to VIA

Cidoo V65 R2.json

{
      "name": "CIDOO V65",
      "vendorId": "0x1EA7",
      "productId": "0x7777",
      "lighting": {
            "extends": "qmk_rgblight",
            "underglowEffects": [
                  [
                        "OFF_MODE",
                        0
                  ],
                  [
                        "WAVE_MODE",
                        0
                  ],
                  [
                        "COLOUR_CLOUD_MODE",
                        0
                  ],
                  [
                        "VORTEX_MODE",
                        0
                  ],
                  [
                        "MIX_COLOUR_MODE",
                        0
                  ],
                  [
                        "BREATHE_MODE",
                        0
                  ],
                  [
                        "LIGHT_MODE",
                        0
                  ],
                  [
                        "SLOWLY_OFF_MODE",
                        0
                  ],
                  [
                        "STONE_MODE",
                        0
                  ],
                  [
                        "LASER_MODE",
                        0
                  ],
                  [
                        "STARRY_MODE",
                        0
                  ],
                  [
                        "FLOWERS_OPEN_MODE",
                        0
                  ],
                  [
                        "TRAVERSE_MODE",
                        0
                  ],
                  [
                        "WAVE_BAR_MODE",
                        0
                  ],
                  [
                        "METEOR_MODE",
                        0
                  ],
                  [
                        "RAIN_MODE",
                        0
                  ],
                  [
                        "SCAN_MODE",
                        0
                  ],
                  [
                        "TRIGGER_COLOUR_MODE",
                        0
                  ],
                  [
                        "CENTER_SPREAD_MODE",
                        0
                  ],
                  [
                        "CONTER_TWO_MODE",
                        0
                  ],
                  [
                        "CONTER_THUND_MODE",
                        0
                  ],
                  [
                        "CONTER_THUND_RUN_MODE",
                        0
                  ],
                  [
                        "CONTER_WATER_DROP_MODE",
                        0
                  ],
                  [
                        "CONTER_WATER_LOOP_MODE",
                        0
                  ],
                  [
                        "CROSS_MODE",
                        0
                  ]
            ]
      },
      "matrix": {
            "rows": 5,
            "cols": 16
      },
      "customKeycodes": [
            {
                  "name": "CUSTOM(0)",
                  "title": "",
                  "shortName": "CST(0)"
            },
            {
                  "name": "CUSTOM(1)",
                  "title": "",
                  "shortName": "CST(1)"
            },
            {
                  "name": "CUSTOM(2)",
                  "title": "",
                  "shortName": "CST(2)"
            },
            {
                  "name": "CUSTOM(3)",
                  "title": "",
                  "shortName": "CST(3)"
            },
            {
                  "name": "WIN MODE",
                  "title": "win system mode",
                  "shortName": "WIN MODE"
            },
            {
                  "name": "MAC MODE",
                  "title": "mac system mode",
                  "shortName": "MAC MODE"
            },
            {
                  "name": "LED TEST",
                  "title": "LED TEST",
                  "shortName": "LED TEST"
            },
            {
                  "name": "DEEP SLEEP",
                  "title": "Deep sleep",
                  "shortName": "DEEP SLEEP"
            },
            {
                  "name": "USB OUT",
                  "title": "USB OUT",
                  "shortName": "USB OUT"
            },
            {
                  "name": "Bluetooth 1",
                  "title": "Select Bluetooth 1",
                  "shortName": "BT 1"
            },
            {
                  "name": "Bluetooth 2",
                  "title": "Select Bluetooth 2",
                  "shortName": "BT 2"
            },
            {
                  "name": "Bluetooth 3",
                  "title": "Select Bluetooth 3",
                  "shortName": "BT 3"
            }
      ],
      "layouts": {
            "keymap": [
                  [
                        "0,0",
                        "0,1",
                        "0,2",
                        "0,3",
                        "0,4",
                        "0,5",
                        "0,6",
                        "0,7",
                        "0,8",
                        "0,9",
                        "0,10",
                        "0,11",
                        "0,12",
                        "0,13",
                        "0,14",
                        "0,15"
                  ],
                  [
                        {
                              "w": 1.5
                        },
                        "1,0",
                        "1,1",
                        "1,2",
                        "1,3",
                        "1,4",
                        "1,5",
                        "1,6",
                        "1,7",
                        "1,8",
                        "1,9",
                        "1,10",
                        "1,11",
                        "1,12",
                        {
                              "w": 1.5
                        },
                        "1,13",
                        "1,14"
                  ],
                  [
                        {
                              "w": 1.75
                        },
                        "2,0",
                        "2,1",
                        "2,2",
                        "2,3",
                        "2,4",
                        "2,5",
                        "2,6",
                        "2,7",
                        "2,8",
                        "2,9",
                        "2,10",
                        "2,11",
                        {
                              "w": 2.25
                        },
                        "2,13",
                        "2,14"
                  ],
                  [
                        {
                              "w": 2.25
                        },
                        "3,0",
                        "3,2",
                        "3,3",
                        "3,4",
                        "3,5",
                        "3,6",
                        "3,7",
                        "3,8",
                        "3,9",
                        "3,10",
                        "3,11",
                        {
                              "w": 1.75
                        },
                        "3,12",
                        "3,13",
                        "3,14"
                  ],
                  [
                        {
                              "w": 1.25
                        },
                        "4,0",
                        {
                              "w": 1.25
                        },
                        "4,1",
                        {
                              "w": 1.25
                        },
                        "4,2",
                        {
                              "w": 6.25
                        },
                        "4,7",
                        {
                              "w": 1.25
                        },
                        "4,10",
                        {
                              "w": 1.25
                        },
                        "4,11",
                        {
                              "x": 0.5
                        },
                        "4,12",
                        "4,13",
                        "4,14"
                  ]
            ]
      }
}