Prestashop Ajax error. Technical error: unable to load form.
A very common problem in different versions of Prestashop (1.5 and 1.6) happens when Ajax running fails in the online store and different errors appear:
· You can not add products to the shopping cart
· You can not change the quantity of items in the order
· We can not delete a product from the order
· An error appears when a user is registering
In all cases, an error appears with this text:
TECHNICAL ERROR: Unable to load form / Unable to change quantity / Unable to delete
All of these errors are related to a problem in Ajax running.
The solution is very simple:
From Backoffice, go to PREFERENCES > SEO + URLs > Turn ON option: Disable Apache’s mod_security module
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