Fatal Error When Customer login

[hendrasudiro]

Hi Prestashop mods n users, I need help for this fatal error

I try to change

//if ($string == 'Fatal error') d(debug_backtrace());

to

if ($string == 'Fatal error') d(debug_backtrace());

but it only showing

Array
(
[0] => Array
(
[file] => /home/cynthiac/public_html/classes/Tax.php
[line] => 200
[function] => displayError
[class] => Tools
[type] => ::
[args] => Array
(
)

)

[1] => Array
(
[file] => /home/cynthiac/public_html/classes/Product.php
[line] => 2268
[function] => getApplicableTax
[class] => Tax
[type] => ::
[args] => Array
(
[0] => 1
[1] => 19.6
)

)

[2] => Array
(
[file] => /home/cynthiac/public_html/classes/Product.php
[line] => 2308
[function] => getProductProperties
[class] => Product
[type] => ::
[args] => Array
(
[0] => 1
[1] => Array
(
[id_product] => 9
[id_supplier] => 2
[id_manufacturer] => 2
[id_tax] => 1
[id_category_default] => 3
[id_color_default] => 0
[on_sale] => 0
[ean13] =>
[ecotax] => 0.00
[quantity] => 1
[price] => 124.581940
[wholesale_price] => 0.000000
[reduction_price] => 0.00
[reduction_percent] => 0
[reduction_from] => 2011-02-07 13:47:41
[reduction_to] => 2011-02-07 13:47:41
[reference] =>
[supplier_reference] =>
[location] =>
[weight] => 0
[out_of_stock] => 2
[quantity_discount] => 0
[customizable] => 0
[uploadable_files] => 0
[text_fields] => 0
[active] => 1
[indexed] => 1
[date_add] => 2011-02-07 13:47:41
[date_upd] => 2011-02-07 13:47:41
[description] =>