Hello Ali, I would recommend you to check this thread: https://groups.google.com/g/kurento/c/KOCNycXnFHI
On demo server I'm currently using this KMS http://ubuntu.openvidu.io/fix-openh264 On Sun, 27 Sep 2020 at 20:35, Ali Alhaidary <ali.alhaid...@the5stars.org> wrote: > I need your help to what these error are, and can it be rectified > > 2020-09-27T12:29:18+00:00 -- New execution > 0:00:00.506780323 1436 0x55fc1c90b960 WARN ladspa > gstladspa.c:455:plugin_init: no LADSPA plugins found, check LADSPA_PATH > 0:00:00.629124610 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0x120000: 'AVR > (Audio Visual Research)' is not mapped > 0:00:00.629155293 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0x180000: 'CAF > (Apple Core Audio File)' is not mapped > 0:00:00.629161088 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0x100000: 'HTK (HMM > Tool Kit)' is not mapped > 0:00:00.629166858 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0xc0000: 'MAT4 (GNU > Octave 2.0 / Matlab 4.2)' is not mapped > 0:00:00.629171371 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0xd0000: 'MAT5 (GNU > Octave 2.1 / Matlab 5.0)' is not mapped > 0:00:00.629175620 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0x210000: 'MPC > (Akai MPC 2k)' is not mapped > 0:00:00.629180704 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0xe0000: 'PVF > (Portable Voice Format)' is not mapped > 0:00:00.629185608 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0x160000: 'SD2 > (Sound Designer II)' is not mapped > 0:00:00.629208234 1436 0x55fc1c90b960 WARN default > gstsf.c:98:gst_sf_create_audio_template_caps: format 0x190000: 'WVE > (Psion Series 3)' is not mapped > above errors can be ignored > 0:00:00.889369730 1415 0x5598cca6d2a0 WARN GST_REGISTRY > gstregistry.c:1830:gst_update_registry: registry update failed: Error > writing registry cache to > /nonexistent/.cache/gstreamer-1.5/registry.x86_64.bin: No such file or > directory > > this can be fixed by adding line like below to /etc/default/kurento-media-server export GST_REGISTRY=/tmp/.mygstcache -- Best regards, Maxim