七牛上传字幕报错，哪们大侠能帮我解释一下，为什么？

{
"id": "z0.56e9085a7823de45bbc391a6",
"code": 3,
"desc": "The fop is failed",
"inputKey": "MVNEWEEEEEEIOS_PALVIDEO1456738189683.srt",
"inputBucket": "parleycam",
"items": [
    {
        "cmd": "avthumb/subtitle/aHR0cDovLzd4a3g3ay5jb20xLnowLmdsYi5jbG91ZGRuLmNvbS9NVk5FV0VFRUVFRUlPU19QQUxWSURFTzE0NTY3MzgxODk2ODMuc3J0|saveas/cGFybGV5Y2FtOlNVQlRJVExFX05FV01WTkVXRUVFRUVFSU9TX1BBTFZJREVPMTQ1NjczODE4OTY4My5tcDQ=",
        "code": 3,
        "desc": "The fop is failed",
        "error": "execute fop cmd failed: invalid format"
    }
],
"pipeline": "1380357597.compound",
"reqid": "rCcAADeIvrWvQTwU"
}

{
"id": "z0.56e9085a7823de45bbc391a6",
"code": 3,
"desc": "The fop is failed",
"inputKey": "MVNEWEEEEEEIOS_PALVIDEO1456738189683.srt",
"inputBucket": "parleycam",
"items": [
    {
        "cmd": "avthumb/subtitle/aHR0cDovLzd4a3g3ay5jb20xLnowLmdsYi5jbG91ZGRuLmNvbS9NVk5FV0VFRUVFRUlPU19QQUxWSURFTzE0NTY3MzgxODk2ODMuc3J0|saveas/cGFybGV5Y2FtOlNVQlRJVExFX05FV01WTkVXRUVFRUVFSU9TX1BBTFZJREVPMTQ1NjczODE4OTY4My5tcDQ=",
        "code": 3,
        "desc": "The fop is failed",
        "error": "execute fop cmd failed: invalid format"
    }
],
"pipeline": "1380357597.compound",
"reqid": "rCcAADeIvrWvQTwU"
}