I had the same problem with the Modern Events Calendar Lite.
Warning: Undefined array key “display_credit_url” in wp-content/plugins/modern-events-calendar-lite/app/libraries/skins.php on line 2352
date: Thu 13th april ’23.
Solution: edit the setup-> currency
enter a currency symbol and set your valuta to your country.
Safe settings.
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This reply was modified 3 years, 1 month ago by obsidiaan.
Thank you very much for your help and answer.
I will use these codes in the websites and keep an eye on it.
When WP Bakery is installed, the same problem occurs.
The latest plug-in “disable-gutenberg” Version: 2.4 fixes the problem.
The version before that, did not.
