Technical Error: Unable to save update quantity

[mercanmatbaa]

I have this error. How can I solve this problem.

[vekia]

where? back office? front office? everywhere? 

[NemoPS]

Let's try getting more info, it seems like it's the ajax cart, correct? Order opc? Or cart page anyway?

 

Are you using the default theme? Any overrides?

[Rémi]

Same error here. I am using the theme Universum. The bug appeared out of nowhere. When I try to change the quantity of an item or to delete an item from my cart this error is popping.

mercanmatbaa, you have not reply since may, did you solved this mystery?

[NemoPS]

Remi, does it happen with the default theme as well?

[Rémi]

I've replaced a backup from before the error and I have the same issue. The only thing that have changed since then, is my ISP installing a SSL certificate. For doing that he had to change my IP address also.

 

Is there an article on the forum to tell me what I should do when my shop change IP but keep the same domain name? Thanks.

[vekia]

its because of ssl.

if you will open browser console (ctrl+shift+j in chrome) you will see errors related to "not allowed origin" it's due to the mixed content filtering. in simple words, ajax query trying to call secured url from non-secured website, this is why it's happening.

 

the problem is related to template.

[Rémi]

My bug is gone! Here's what happened.

A few days ago, my shop was almost ready to go public. So I've decided to ask my ISP to install a SSL certificate for me. To do that he had to change my shop from a IP address to a new one. This operations create a nasty bug for me as described earlier.

I could not turn to my ISP for this because he installed the SSL certificate correctly. I could not blame the template team because the default template was doing the same thing.

In short, I did a backup before trying other things. I have the chance to use http://installatron.com on my Direct Admin interface on my server. After wrecking my shop, I've replaced the backup via Installatron and the bug magically disappeared.

Thanks all for your support, each of your answers helped me progress.