Swoole\ Process::__construct (): Swoole creation child process reported an error

SwooleProcess::__construct (): handle 10003462 exceed 10000000 in xxxxxxxxx
what"s wrong with this? Exceed the limit? But I only opened about 10 sub-processes,
my version: PHP 7.2.7 swoole 4.0.1

Mar.31,2021
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