[Users] openser 1.2 avp

Hello, with openser 1.0 I have this if ( avp_db_load("$low_c_service/username","i:/serviceLowCoastredirect")) and for openser 1.2 I try to do this if ( avp_db_load("$avp(low_c_service)/username","i:/serviceLowCoastredirect")) or if ( avp_db_load("$avp($low_c_service)/username","i:/serviceLowCoastredirect")) low_c_service is an alias avp_aliases="low_c_service=i:500" but I have always an error. 0(0) ERROR:avops:parse_avp_db:: error - bad avp flags 0(0) ERROR:avpops:fixup_db_avp: parse failed 0(0) ERROR: fix_actions: fixing failed (code=-1) at cfg line 633 0(0) ERROR: fix_expr : fix_actions error