Fatal error: Uncaught TypeError: array_merge_recursive(): Argument #1 must be of type array, int given in /var/www/html/manuals/includes/registration/ExtensionProcessor.php:294
Stack trace:
#0 /var/www/html/manuals/includes/registration/ExtensionProcessor.php(294): array_merge_recursive()
#1 /var/www/html/manuals/includes/registration/ExtensionProcessor.php(151): ExtensionProcessor->storeToArray()
#2 /var/www/html/manuals/includes/registration/ExtensionRegistry.php(132): ExtensionProcessor->extractInfo()
#3 /var/www/html/manuals/includes/registration/ExtensionRegistry.php(100): ExtensionRegistry->readFromQueue()
#4 /var/www/html/manuals/includes/Setup.php(39): ExtensionRegistry->loadFromQueue()
#5 /var/www/html/manuals/includes/WebStart.php(138): require_once('...')
#6 /var/www/html/manuals/index.php(42): require('...')
#7 {main}
thrown in /var/www/html/manuals/includes/registration/ExtensionProcessor.php on line 294