error when i Update

[sa3eka.com]

when I enter to install/update.php 3.8.7 pl 4

this error show

PHP Code:

Strict Standards: Non-static method vB_Shutdown::init() should not be called statically, assuming $this from incompatible context in /home/forum/public_html/includes/class_core.php on line 2555

Strict Standards: Non-static method vB_Bitfield_Builder::build_datastore() should not be called statically in /home/forum/public_html/install/init.php on line 189

Strict Standards: Non-static method vB_Bitfield_Builder::init() should not be called statically in /home/forum/public_html/includes/class_bitfield_builder.php on line 227

Strict Standards: Non-static method vB_Bitfield_Builder::build() should not be called statically in /home/forum/public_html/includes/class_bitfield_builder.php on line 233

Strict Standards: Non-static method vB_Bitfield_Builder::init() should not be called statically in /home/forum/public_html/includes/class_bitfield_builder.php on line 89

Strict Standards: Non-static method vB_Bitfield_Builder::init() should not be called statically in /home/forum/public_html/install/init.php on line 191

Strict Standards: Non-static method vBulletinHook::init() should not be called statically in /home/forum/public_html/install/init.php on line 212

Strict Standards: Non-static method vBulletinHook::fetch_hook() should not be called statically in /home/forum/public_html/includes/functions.php on line 3093

Strict Standards: Non-static method vBulletinHook::init() should not be called statically in /home/forum/public_html/includes/class_hook.php on line 118

Warning: Cannot modify header information - headers already sent by (output started at /home/forum/public_html/includes/class_core.php:2555) in /home/forum/public_html/includes/functions.php on line 3103 

[ForceHSS]

You are updating to vb5 from vb3?