I upgarded to EE4 and am getting this message after editing an event and updating:
Warning: Invalid argument supplied for foreach() in /home/cfemd011/public_html/wp-content/plugins/event-espresso-core-reg-6/caffeinated/admin/new/pricing/espresso_events_Pricing_Hooks.class.php on line 141
Warning: array_keys() expects parameter 1 to be array, null given in /home/cfemd011/public_html/wp-content/plugins/event-espresso-core-reg-6/caffeinated/admin/new/pricing/espresso_events_Pricing_Hooks.class.php on line 191
Warning: array_diff() [function.array-diff]: Argument #2 is not an array in /home/cfemd011/public_html/wp-content/plugins/event-espresso-core-reg-6/caffeinated/admin/new/pricing/espresso_events_Pricing_Hooks.class.php on line 191
Warning: Invalid argument supplied for foreach() in /home/cfemd011/public_html/wp-content/plugins/event-espresso-core-reg-6/caffeinated/admin/new/pricing/espresso_events_Pricing_Hooks.class.php on line 192
Warning: Invalid argument supplied for foreach() in /home/cfemd011/public_html/wp-content/plugins/event-espresso-core-reg-6/caffeinated/admin/new/pricing/espresso_events_Pricing_Hooks.class.php on line 233
Warning: Cannot modify header information – headers already sent by (output started at /home/cfemd011/public_html/wp-content/plugins/event-espresso-core-reg-6/caffeinated/admin/new/pricing/espresso_events_Pricing_Hooks.class.php:141) in /home/cfemd011/public_html/wp-includes/pluggable.php on line 1121
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