Failed deposit of 0.005 BTC (synth)

{
  "action": {
    "date": "1726697920978555014",
    "height": "7840027",
    "in": [
      {
        "address": "maya1qefmyzkgkvu2kz57yv5x5r6k9tvr65v3u2dgvh",
        "coins": [
          {
            "amount": "500000",
            "asset": "BTC/BTC"
          }
        ],
        "txID": "4AA832033B7CE8706BB1DB440149E39EB9A4088F7C3F6D4262ACE2A3E397B287"
      }
    ],
    "metadata": {
      "failed": {
        "code": "1",
        "memo": "=:KUJI.KUJI:kujira1k0keenaw2v5wqpme7lhfw0f55h2r95wsnhh36h:0/1/12",
        "reason": "failed to execute message; message index: 0: invalid coin: invalid chain: chain id can consist only of uppercase letters"
      }
    },
    "out": [],
    "pools": [],
    "status": "success",
    "type": "failed"
  },
  "signers": null,
  "cosmos": null,
  "streaming": null
}