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litkai
Participant
March 21, 2022 at 2:15 pm
Post count: 4
#879499

I have the same issue coming from Fusion Builder.

[21-Mar-2022 13:56:41 UTC] PHP Fatal error: Uncaught Error: Call to undefined function fusion_calc_color_brightness() in /path-to-web/wp-content/plugins/fusion-builder/shortcodes/fusion-blog.php:1452

Now in this case it is related to Avada support.