syntax to use near '' at line 1

Hej!

Jeg er stødt på problemer, får følgende fejl meddelelse:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1.

mysql_query("INSERT INTO stages (stage_id, code, ".
    "distance_1, altitude_1, RHO_1, surface_1, Crr_1, gradient_1, sinTHETA_1, wind_1, difficulty_1, hill#3_1, hill#4_1, Cd_1  areaBONUS_1, CdPACE_1,".
    "distance_2, altitude_2, RHO_2, surface_2, Crr_2, gradient_2, sinTHETA_2, wind_2, difficulty_2, hill#3_2, hill#4_2, Cd_2  areaBONUS_2, CdPACE_2,".
    "distance_3, altitude_3, RHO_3, surface_3, Crr_3, gradient_3, sinTHETA_3, wind_3, difficulty_3, hill#3_3, hill#4_3, Cd_3  areaBONUS_3, CdPACE_3,".
    "distance_4, altitude_4, RHO_4, surface_4, Crr_4, gradient_4, sinTHETA_4, wind_4, difficulty_4, hill#3_4, hill#4_4, Cd_4  areaBONUS_4, CdPACE_4,".
    "distance_5, altitude_5, RHO_5, surface_5, Crr_5, gradient_5, sinTHETA_5, wind_5, difficulty_5, hill#3_5, hill#4_5, Cd_5  areaBONUS_5, CdPACE_5,".
    "distance_6, altitude_6, RHO_6, surface_6, Crr_6, gradient_6, sinTHETA_6, wind_6, difficulty_6, hill#3_6, hill#4_6, Cd_6  areaBONUS_6, CdPACE_6,".
    "distance_7, altitude_7, RHO_7, surface_7, Crr_7, gradient_7, sinTHETA_7, wind_7, difficulty_7, hill#3_7, hill#4_7, Cd_7, areaBONUS_7, CdPACE_7,".
    "distance_8, altitude_8, RHO_8, surface_8, Crr_8, gradient_8, sinTHETA_8, wind_8, difficulty_8, hill#3_8, hill#4_8, Cd_8, areaBONUS_8, CdPACE_8,".
    "distance_9, altitude_9, RHO_9, surface_9, Crr_9, gradient_9, sinTHETA_9, wind_9, difficulty_9, hill#3_9, hill#4_9, Cd_9, areaBONUS_9, CdPACE_9,".
    "distance_f, altitude_f, RHO_f, surface_f, Crr_f, gradient_f, sinTHETA_f, wind_f, difficulty_f, hill#3_f, hill#4_f, Cd_f, areaBONUS_f, CdPACE_f) ".
    "VALUES ('$stageid', '$code', ".
    "'$dis1', '$alt1', '$rho1', '$sur1', '$crr1', '$gra1', '$sin1', '$win1', '$dif1', '$hi31', '$hi41', '$cd1', '$are1', '$cdp1',".
    "'$dis2', '$alt2', '$rho2', '$sur2', '$crr2', '$gra2', '$sin2', '$win2', '$dif2', '$hi32', '$hi42', '$cd2', '$are2', '$cdp2',".
    "'$dis3', '$alt3', '$rho3', '$sur3', '$crr3', '$gra3', '$sin3', '$win3', '$dif3', '$hi33', '$hi43', '$cd3', '$are3', '$cdp3',".
    "'$dis4', '$alt4', '$rho4', '$sur4', '$crr4', '$gra4', '$sin4', '$win4', '$dif4', '$hi34', '$hi44', '$cd4', '$are4', '$cdp4',".
    "'$dis5', '$alt5', '$rho5', '$sur5', '$crr5', '$gra5', '$sin5', '$win5', '$dif5', '$hi35', '$hi45', '$cd5', '$are5', '$cdp5',".
    "'$dis6', '$alt6', '$rho6', '$sur6', '$crr6', '$gra6', '$sin6', '$win6', '$dif6', '$hi36', '$hi46', '$cd6', '$are6', '$cdp6',".
    "'$dis7', '$alt7', '$rho7', '$sur7', '$crr7', '$gra7', '$sin7', '$win7', '$dif7', '$hi37', '$hi47', '$cd7', '$are7', '$cdp7',".
    "'$dis8', '$alt8', '$rho8', '$sur8', '$crr8', '$gra8', '$sin8', '$win8', '$dif8', '$hi38', '$hi48', '$cd8', '$are8', '$cdp8',".
    "'$dis9', '$alt9', '$rho9', '$sur9', '$crr9', '$gra9', '$sin9', '$win9', '$dif9', '$hi39', '$hi49', '$cd9', '$are9', '$cdp9',".
    "'$disf', '$altf', '$rhof', '$surf', '$crrf', '$graf', '$sinf', '$winf', '$diff', '$hi3f', '$hi4f', '$cdf', '$aref', '$cdpf')") OR DIE(mysql_error());

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