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Array
(
    [0] => 1064
    [1] => You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1
    [2] => select * from dbb_reservationen join dbb_strecken on res_str_ID = str_ID join dbb_events on str_evt_ID = evt_ID join dbb_personen on res_pers_ID = personen_ID where str_evt_ID = ;
    [3] => 
)