error installation 1.6.0.7 on local wamp server

[yvesima]

Hello

i try to install 1.06.07 on my local wamp server

 

i've this error in the log fle

"impossible de créer le groupe de boutique / Table 'prestashop_xxx.54f_shop_group' doesn't exist

 

impossible to create the group of the sop  / Table 'prestashop_xxx.54f_shop_group' doesn't exist

 

The installation stops at 23% 

 

 

Have you an idea

 

Thanks