Laravel executes php artisan and throws an exception

hello~

when I use laravel5.5.18, executing php artisan will throw an exception Unsupported operand types, as follows:

what is the problem, God? My environment is nginx + php-fpm, and the php version is 7.2.1

May.13,2022

error message shows that "unsupported operation types" can be checked from the following points:

"Unsupoorted operand types" indicates that the code operates on variables of different types, which is a syntax error
is loaded into your own business code. If so, it may be a syntax error
if not loaded into your own business code, check whether the PHP version matches the framework version

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