When Product qty Update parsererror: SyntaxError: Unexpected token < in JSON at position 0 Error

[ebubekirakyol]

Hello, 

i didn't change anything but i take this error few days . i can't change product qty. 

when open debug mode site gives this error ; 

 

 

var admin_modules_link = '<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function getAdminLink() on null in /home/sedaxxx/public_html/cache/smarty/compile/70/75/7c/70757c8241ac3072e68d94ade293fa8332ecc0a3.file.header.tpl.php:168
Stack trace:
#0 /home/sedaxxx/public_html/tools/smarty/sysplugins/smarty_internal_templatebase.php(188): content_609309e7c7b899_23883726(Object(Smarty_Custom_Template))
#1 /home/sedaxxx/public_html/classes/SmartyCustom.php(110): Smarty_Internal_TemplateBase-&gt;fetch('header.tpl', NULL, NULL, Object(SmartyCustom), false, true, false)
#2 /home/sedaxxx/public_html/classes/controller/AdminController.php(1796): SmartyCustomCore-&gt;fetch('header.tpl')
#3 /home/sedaxxx/public_html/tools/profiling/Controller.php(733): AdminControllerCore-&gt;display()
#4 /home/sedaxxxpublic_html/tools/profiling/Controller.php(241): Controller-&gt;displayProfiling()
#5 /home/sedaxxx/public_html/classes/Dispatcher.php(367): Controller-&gt;run()
#6 /home/sedaxxx/public_html/adminesa/ajax-tab.php(47): Dispatc in <b>/home/sedaxxx/public_html/cache/smarty/compile/70/75/7c/70757c8241ac3072e68d94ade293fa8332ecc0a3.file.header.tpl.php</b> on line <b>168</b><br />
 

can you help me? 

[ebubekirakyol]

This is other problem : [TECHNICAL ERROR] ajaxProductManufacturers: parsererror

[PGS85]

Hello,
Did you find a solution to this? I have the same 2 errors (cant change qty and the manufacturer error)
It started around 1 month ago as well

Thanks

 

[ebubekirakyol]

Hello, 

The js files on the prestashop were infected with a virus. I clenaed all and solved problem. You must check your js files. 

Moderator can mark this post SOLVED

[PGS85]

Hello,

Yes i figured that out not long after and copied all the .js files from an older backup however it still seems to get infected again after a few weeks (happen 3-4 times now)