Default help me to know how to fix logcat problems

i build a rom and it doesn't boot
i get a logcat and show these errors
E/NetlinkEvent( 152): NetlinkEvent::FindParam(): Parameter 'SWITCH_NAME' not found

E/Trace ( 1056): error opening trace file: No such file or directory (2)

E/HTC Acoustic( 1056): Fail to open /system/etc/AudioPara_HTC-GCC.csv -1.

E/BandwidthController( 1057): runIptablesCmd(): failed /system/bin/iptables -t raw -N bw_raw_PREROUTING res=256

E/AudioHardwareMSM76XXA( 1056): AudioStreamOutMSM72xx: Setting up correct values

E/dalvikvm( 1196): ERROR: couldn't find native method

E/dalvikvm( 1196): Requested: Ljava/lang/Daemons;.isShippingRom)Z

E/JNIHelp ( 1196): RegisterNatives failed for 'java/lang/Daemons', aborting
These are my questions:
1.wich error is must intresting? and wich can be The main cause? these errors goes from kernel? how can i fix these?

devs please help me