Cdr-mySQL error

hello all…
i have connected asterisk mysql and it was working too…the status of my call is insterting into the database except one filed dstchannel…i don’t why its happening so…the rest of all r writing properly in to it…as the destchannel is the most important one to which where we have made i can’t avoid it…is any one faced this situation…or any one knows whats the soilution…??? Thanks in advance!!! :laughing: