January 18, 2021 at 3:10 pm #33017Dominique JavetGuest
With the latest DIVI 4.8.1 and latest W3 Total Cache plugin 2.0.1 and WordPress 5.6, I’ve on this page https://www.metadelic.com/john-howe/news/ a JS error:
“Cannot read property ‘concat’ of undefined at custom.unified.js?ver=4.8.1:51” making my blog cards invisible. If I deactivate W3 Total cache, my blog works.
Is it a know bug of W3 total Cache?
Regards, DominiqueJanuary 18, 2021 at 4:50 pm #33048Jesse OwensKeymaster
Thanks for the question about W3 Total Cache and Divi.
It’s tough to say what might be causing that error. I tried to replicate it in our Divi testing environment, and I didn’t get the same behavior.
The only major thing I can spot on the front-end that is different from our testing environment is that you have Database Caching enabled. Can you try switching that off in Performance > General to see if the error persists?January 18, 2021 at 5:28 pm #33050Dominique JavetGuest
Thank you for the reply. Sadly is still the same error when I disable the DB cache in general.January 18, 2021 at 5:45 pm #33054Jesse OwensKeymaster
I’m going to do a little more research on our Divi testing environment and touch base with the development team to see if we can determine the cause of this for you. I’ll reply back here as soon as we have any news.January 19, 2021 at 8:54 am #33060Marko VasiljevicKeymaster
As Jesse stated we are unable to replicate the issue on WP 5.6 Divi 4.8.1 and W3TC 2.0.1.
Can you please disable the settings one by one in Performance>General Settings, save all settings and purge the cache after each setting is disabled, and see which one might be causing the issue.
Please let us know the results so we can assist you more with this.
Thanks!January 19, 2021 at 10:12 am #33062Dominique JavetGuest
I found that deactivating “Disable jquery-migrate on the front-end” solve the issue, but weird, as it is already deactivated in the plugins list…
I dont understand.
But it helps for sure!January 19, 2021 at 11:46 am #33072Marko VasiljevicKeymaster
Thank you for the information.
It seems that jquery-migrate is necessary and custom.unified.js?ver=4.8.1:51 is dependable on it so you should keep that option disabled.
I am glad to know the issue is resolved!
Thanks!January 19, 2021 at 2:45 pm #33080Dominique JavetGuest
Thank you for helping me to resolve the issue.January 19, 2021 at 2:45 pm #33081Dominique JavetGuest
I’ve contacted Divi and asked when DIVI will get rid of the dependency.
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