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Version 2.9 array-merge error



New Member
Hello, since the update to version 2.9, the following error message appears above the footer of all my site.

Please help me find the problem

Warning: array_merge(): Expected parameter 1 to be an array, null given in /home/uxndesig/public_html/tourdeleure/wp-content/plugins/elementor/includes/base/controls-stack.php on line 1184

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