Decoding error when RoleHeading is Type Method

[3Qax]

ERROR: dataCorrupted(Swift.DecodingError.Context(codingPath: [CodingKeys(stringValue: "metadata", intValue: nil), MetaDataCodingKeys(stringValue: "roleHeading", intValue: nil)], debugDescription: "Cannot initialize RoleHeading from invalid String value Type Method", underlyingError: nil))
2021-08-11T11:52:44+0200 error docc2html : Could not process document at: /Users/jakubtowarek/Projects/[reducted]/docc/Build/Products/Debug-iphoneos/[reducted].doccarchive/data/documentation/[reducted]/[reducted]/getvalue(key:).json dataCorrupted(Swift.DecodingError.Context(codingPath: [CodingKeys(stringValue: "metadata", intValue: nil), MetaDataCodingKeys(stringValue: "roleHeading", intValue: nil)], debugDescription: "Cannot initialize RoleHeading from invalid String value Type Method", underlyingError: nil))

{
  "primaryContentSections": [],
  "schemaVersion": {
    "major": 0,
    "minor": 1,
    "patch": 0
  },
  "sections": [],
  "variants": [],
  "identifier": {},
  "abstract": [],
  "kind": "symbol",
  "metadata": {
    "fragments": [
      {
        "kind": "keyword",
        "text": "class"
      },
      {
        "kind": "text",
        "text": " "
      },
      {
        "kind": "keyword",
        "text": "func"
      },
      {
        "kind": "text",
        "text": " "
      },
      {
        "kind": "identifier",
        "text": "getValue"
      },
      {
        "kind": "text",
        "text": "("
      },
      {
        "kind": "externalParam",
        "text": "key"
      },
      {
        "kind": "text",
        "text": ": "
      },
      {
        "kind": "typeIdentifier",
        "text": "String",
        "preciseIdentifier": "s:SS"
      },
      {
        "kind": "text",
        "text": "?) -> "
      },
      {
        "kind": "typeIdentifier",
        "text": "UIColor",
        "preciseIdentifier": "c:objc(cs)UIColor"
      },
      {
        "kind": "text",
        "text": "?"
      }
    ],
    "title": "getValue(key:)",
    "roleHeading": "Type Method",
    "role": "symbol",
    "symbolKind": "method",
    "externalID": "[reducted]",
    "modules": [
      {
        "name": "[reducted]"
      }
    ]
  },
  "hierarchy": {},
  "documentVersion": 0,
  "references": {}
}