Notice: Undefined index: id_shop_courant

[softhightech]

hello, 

i have 2 problems and i think it's caused by this issue.

 

First 1 : 

in a product when i click on add to cart it dosen't work.

 

Error 2 : 

when i try to register i have im redirected to /authentification?back=my-account and when i check database for customer i have the id_customer with 0 ;

 

product page : 

<sub>Notice: Undefined index: id_shop_courant in C:\xx\tools\smarty\sysplugins\smarty_internal_templatebase.php(157) : eval()'d code on line 665

Notice: Trying to get property of non-object in</sub> C:\xx<sub>\tools\smarty\sysplugins\smarty_internal_templatebase.php(157) : eval()'d code on line 665

Notice: Undefined index: id_shop_courant in</sub> C:\xx<sub>\tools\smarty\sysplugins\smarty_internal_templatebase.php(157) : eval()'d code on line 665

Notice: Trying to get property of non-object in</sub> C:\xx_{\tools\smarty\sysplugins\smarty_internal_templatebase.php(157) : eval()'d code on line 665}