{
  "id": "user.deactivated",
  "category": "access",
  "summary": "Telegram rejected the operation because the user is deactivated.",
  "match_any": [
    {
      "error_code": 403,
      "description_exact": "Forbidden: user is deactivated"
    }
  ],
  "scope": {
    "method_examples": [
      "sendMessage",
      "editMessageText"
    ],
    "exhaustive": false
  },
  "possible_causes": [
    "The target private-chat user is marked deleted.",
    "Telegram reported that the target account is deactivated."
  ],
  "diagnostic_limits": "The response establishes the current rejection; it does not expose account history or a replacement recipient.",
  "evidence": [
    {
      "source": "server-10.3",
      "path": "telegram-bot-api/Client.cpp",
      "lines": [
        8803,
        8807
      ],
      "note": "Edit or write access to a deleted private-chat user is rejected directly with code 403."
    },
    {
      "source": "server-10.3",
      "path": "telegram-bot-api/Client.cpp",
      "lines": [
        124,
        126
      ],
      "note": "INPUT_USER_DEACTIVATED also maps to this exact 403 response."
    },
    {
      "source": "server-10.3",
      "path": "telegram-bot-api/Client.cpp",
      "lines": [
        165,
        205
      ],
      "note": "Adds the code-specific prefix and lowercases only the initial character of ordinary messages."
    }
  ],
  "example": {
    "method": "sendMessage",
    "response": {
      "ok": false,
      "error_code": 403,
      "description": "Forbidden: user is deactivated"
    }
  },
  "evidence_level": "source_derived",
  "guidance": {
    "action": "suspend_operations_for_recipient",
    "repeat_request": "after_access_change",
    "preconditions": [
      "Stop repeating this operation for the recipient unless there is evidence that the target or its availability changed."
    ]
  }
}