Midjourney

# 表にないフィールドがある
request body does not match the JSON contract: json: unknown field "<フィールド名>"

# quality が空でない
the quality field has no effect on this model; ask for 2K output with --hd in the prompt instead

# n が 4 以外
this model always returns 4 images per task and bills every returned image; the n field cannot change that, so omit it or set it to 4

# prompt が空
prompt is required for this model, even when input images are provided

# prompt に :: が含まれる
multi-prompt weighting (::) is not supported on this model version

# パラメータだけで説明文がない
prompt must contain a description, not only parameters

# 受け付けないパラメータを使用
parameter --<名前> is not accepted: <理由>

# images[] の項目に url / file_id がない、または両方ある
images[<番号>] must provide exactly one of url or file_id

# url が公開された絶対 http(s) アドレスでない
images[<番号>].url must be a publicly accessible absolute http(s) URL

# images[] に usage がある
images[<番号>].usage is not part of the image generation API; remove this field

# extra が空でない
model "midjourney-v8-2" does not accept unverified extra parameters

# 参照画像が 2 枚以上
model "midjourney-v8-2" accepts at most 1 input images, got <枚数>

# --ar の値がない、または複数
parameter --ar requires exactly one value such as 16:9

# --ar が 幅:高さ 形式でない
parameter --ar must look like 16:9, got "<値>"

# --ar に小数が含まれる
parameter --ar must use whole numbers such as 3:2; decimals are rejected, got "<値>"

# --ar に 0 または負の数が含まれる
parameter --ar must use positive numbers, got "<値>"

# 比率が 14:1 を超える
parameter --ar may not exceed 14:1, got "<値>"

# --hd 併用時に比率が 4:1 を超える
parameter --ar may not exceed 4:1 when --hd is used, got "<値>"

# 数値パラメータの値がない、または複数
parameter --<名前> requires exactly one numeric value

# 数値パラメータが数値でない
parameter --<名前> must be a number, got "<値>"

# 数値パラメータが範囲外
parameter --<名前> must be between <下限> and <上限>, got <値>

{
  "id": "ktEXAMPLE",
  "object": "video.generation.task",
  "model": "midjourney-v8-2",
  "status": "failed",
  "created": 1790000000,
  "error": {
    "code": "input_sensitive",
    "message": "the prompt was rejected by content moderation; rephrase it and submit again"
  }
}

# input_sensitive: prompt がコンテンツ審査で拒否
the prompt was rejected by content moderation; rephrase it and submit again

# input_sensitive: 参照画像がコンテンツ審査で拒否
the reference image was rejected by content moderation; replace it and submit again

# input_sensitive: コンテンツ審査で拒否(対象の明示なし)
the prompt or reference image was rejected by content moderation; revise it and submit again

# rate_limited: 同時実行数の上限
this model is at its concurrency limit right now; please retry shortly

# prompt_required: 説明文がない
prompt is required for this model, even when input images are provided

# invalid_request: 非対応のパラメータ
the prompt uses a parameter that this model version does not support

# invalid_request: 無効なアスペクト比
the --ar value is not a valid aspect ratio for this model

# invalid_request: prompt の形式エラー
the prompt was rejected by the model; check the parameters at the end of the prompt

# generation_failed: 生成失敗(その他)
image generation failed; please retry, and contact support with the task ID if it keeps failing

# generation_failed: タスクを追跡できない(この文で終わります)
… contact support with the task ID

# timeout: タイムアウト
task did not reach a billable terminal state within 2 hours; polling stopped

# no_output: 出力なしで終了
image generation finished without a usable output; please retry, and contact support with the task ID if it keeps failing