Error: The map ID (0) does not exist

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Error: The map ID (0) does not exist

Warning: Undefined variable $engine_config in /home/mandini/sedenchitsa.eu/wp-content/plugins/w3-total-cache/Cdn_Core.php on line 604

Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /home/mandini/sedenchitsa.eu/wp-content/plugins/w3-total-cache/Cdn_Core.php:606 Stack trace: #0 /home/mandini/sedenchitsa.eu/wp-content/plugins/w3-total-cache/Cdn_Core.php(606): array_merge(NULL, Array) #1 /home/mandini/sedenchitsa.eu/wp-content/plugins/w3-total-cache/Cdn_Plugin.php(818): W3TC\Cdn_Core->get_cdn() #2 /home/mandini/sedenchitsa.eu/wp-includes/class-wp-hook.php(308): W3TC\Cdn_Plugin->w3tc_footer_comment(Array) #3 /home/mandini/sedenchitsa.eu/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #4 /home/mandini/sedenchitsa.eu/wp-content/plugins/w3-total-cache/Generic_Plugin.php(485): apply_filters('w3tc_footer_com...', Array) #5 [internal function]: W3TC\Generic_Plugin->ob_callback('<!DOCTYPE html>...', 9) #6 /home/mandini/sedenchitsa.eu/wp-includes/functions.php(5279): ob_end_flush() #7 /home/mandini/sedenchitsa.eu/wp-includes/class-wp-hook.php(308): wp_ob_end_flush_all('') #8 /home/mandini/sedenchitsa.eu/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #9 /home/mandini/sedenchitsa.eu/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #10 /home/mandini/sedenchitsa.eu/wp-includes/load.php(1124): do_action('shutdown') #11 [internal function]: shutdown_action_hook() #12 {main} thrown in /home/mandini/sedenchitsa.eu/wp-content/plugins/w3-total-cache/Cdn_Core.php on line 606