The generated lcr table for dbtext is broken. We need to allow null for prefix (just like for from_uri). Current implementation: id(int,auto) prefix(string) from_uri(string,null) grp_id(int) priority(int) Right Implementation: id(int,auto) prefix(string,null) from_uri(string,null) grp_id(int) priority(int) Regards, Ovidiu Sas