执行./ittb_stream imx307后，用ITTP_Stream.exe连接会报错 请问是什么原因导致的，该怎么排查？

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web server accept the livesmmz_userdev:ioctl_mmb_alloc: tream message read_idx is 259 content is
GET http://192.168.hil_mmb_alloc(pqt_mbuf, 2073600, 0x0, 0, ) failed!
1.100:80/livestream/0?action=play&media=video_audio_data HTTP/1.1
Cseq: 1
User-Agent: Hisilicon Streaming Media Client/1.0.0(May 13 2019)
Connection: Keep-Alive
Cache-Control: no-cache
Transport: RTP/AVP/TCP;unicast;interleaved=0-1

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[Func]:HI_MPI_SYS_MmzAlloc_Cached [Line]:913 [Info]:System alloc mmz memory failed!