Custom Top List

Warning: Undefined array key "active_exchanges" in /var/www/alldocs/test-www.lowtouchcloud.io/TIPro/controllers/top_list_data_class.php on line 87

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/alldocs/test-www.lowtouchcloud.io/TIPro/controllers/top_list_data_class.php:87 Stack trace: #0 /var/www/alldocs/test-www.lowtouchcloud.io/TIPro/cards/custom_toplist.html(20): topListDataClass->toplist_parseConfig() #1 /var/www/alldocs/test-www.lowtouchcloud.io/StockInfo/_TopListResult.html(40): include('/var/www/alldoc...') #2 {main} thrown in /var/www/alldocs/test-www.lowtouchcloud.io/TIPro/controllers/top_list_data_class.php on line 87