Cache css 404 error in console

[cyanoxide]

More of a minor annoyance than a major issue but when I enable Smart Cache for CSS in the performance section of Prestashop (1.6.1.7) I get an annoying 404 error pop up in my console for all pages on the main site:

GET https://static2.ruroc.com/themes/theme1241/cache/back.css 404 ()

Despite displaying this error, from what I can tell It doesn't seem to cause any issues displaying content on the site though.

 

If I disable smart Cache for CSS the error disappears and clearing the cache has no effect either.

 

I thought maybe it could be down to a broken path so I did a bit of digging in my FTP and it seems that this file simply isn't present in that directory. I tried creating the file but the error persisted so I tried clearing the cache and that deleted the file.

It's also worth mentioning that I can't seem to locate the call for this particular file in the theme but I may just need to look harder.

 

I'm not using the default theme so it may be an issue with the theme itself but I thought I'd ask on here first to see if anyone has come across this issue before and if there is a simple resolution.

 

Note: I can't confirm this but I believe the error only started displaying after updating from 1.6.1.1 to the latest version. I don't recall seeing this error before then but I could be wrong about that.

[asapho]

Oldie, but I had the same issue, so I'll post my solution.

For me, the issue occurred with "Smart cache for CSS" enabled, where one of my module css files had a line

@import "back.css";

So, when cached there was no path reference.

I located the suspect css file via linux grep:

grep -iInrw --context=0 "back\.css" */modules --include="*.*"

In my instance, the css file only contained the above line, so I simply modified the calling php file to call back.css directly.