some error info in my server's log

[vosdbk]

there's some error infomation i collect from my server's log, who knows where the problem are, my settings or the other?

 

[00:00:00]: FMOD Error: An invalid object handle was used. 
[00:00:10]: Could not preload undefined prefab 0x1872ccf0 (FROMNUM)
[00:00:15]: Could not find anim bank [throw]
[00:00:15]: Could not find anim bank [throw]
[00:00:15]: Could not find anim bank [throw]
[00:35:15]: Could not find anim [death] in bank [ghost]
[00:37:16]: Could not find anim [idle_loop] in bank [ghost]
[00:37:19]: Could not find anim [transform] in bank [wilson]
[04:53:03]: Serializing world: session/1A2107958BC7B141/0000000900
[04:53:03]: Truncating to snapshot #900...
[04:53:03]:  - session/1A2107958BC7B141/0000000894
[04:53:03]:    1 file(s) removed
[04:57:32]: Error parsing JSON
[05:00:08]: [200] Account Communication Success (6)
[05:00:08]: Received (KU_xxxxxxx_) from TokenPurpose
[05:01:04]: Serializing world: session/1A2107958BC7B141/0000000901
[05:01:04]: Truncating to snapshot #901...
[05:01:04]:  - session/1A2107958BC7B141/0000000895
[05:01:04]:    1 file(s) removed
[07:16:28]: Could not find anim bank [throw]
[07:16:40]: Could not find anim bank [throw]
[07:16:40]: Could not find anim bank [throw]
[07:16:42]: Could not find anim bank [throw]
[07:16:42]: Could not find anim bank [throw]
[07:16:50]: Could not find anim bank [throw]
[07:20:13]: Could not find anim bank [throw]
[07:22:01]: Could not find anim bank [throw]
[07:22:10]: Could not find anim [death] in bank [ghost]
[11:09:10]: Could not find anim bank [throw]
[11:09:23]: Could not find anim bank [throw]
[11:09:25]: Could not find anim bank [throw]
[11:16:45]: Could not find anim bank [throw]
[11:16:46]: Could not find anim bank [throw]
[11:16:47]: Could not find anim bank [throw]
[11:16:49]: Could not find anim bank [throw]
[11:34:50]: Could not find anim [death] in bank [ghost]