[Kamailio-Users] sqlops problem

I follow the module instructions and I do : sql_query("ca", "select server from servers where etat_ping=’oui’ & etat_asterisk=’oui’", "nb_srv"); $var(i) = 0; $var(s)=$dbr(nb_srv=>[server,$var(i)]); ### line 166 I have that error: ERROR:sqlops:sql_parse_index: bad number <server> ERROR:sqlops:pv_parse_dbr_name: invalid index in [[server,$var(i)]] ERROR:core:pv_parse_spec: pvar "dbr" has an invalid name param [nb_srv=>[server,$var(i)]] ERROR:core:pv_parse_spec: wrong char [)/41] in [$dbr(nb_srv=>[server,$var(i)])] at [29 (5)] CRITICAL:core:yyerror: parse error in config file, line 166, column 110-140: unknown script variable Anyone know why? Thank you Cordialement, BERGANZ François P Pensez à l'Environnement, n'imprimez ce mail que si nécessaire.