Error during update of SIMGallery 5 to last version (13/1/2016)

Warning
When i try to update to the last version of SIMGallery 5, i have this error :

Duplicate column name 'hits' SQL=ALTER TABLE `hdlz7_simgallery_albums` ADD COLUMN `hits` INT NOT NULL default '0';
Error

Error installing component

Many Thanks for your Help!!
Arnaud