quickForm : allowed memory exhausted

Good afternoon, does any of you ever get the following message while trying to create a select element (mine has 1600 elements) : Fatal error: Allowed memory size of 8388608 bytes exhausted at (null):0 (tried to allocate 24 bytes) in pear/HTML/QuickForm/select.php on line 336 Fatal error: Allowed memory size of 8388608 bytes exhausted at (null):0 (tried to allocate 23 bytes) in Unknown on line 0 Fatal error: Allowed memory size of 8388608 bytes exhausted at (null):0 (tried to allocate 44 bytes) in Unknown on line 0 I cannot get rid of it at all ! Thanks in advance.