fwrite(): send of 4 bytes failed with errno=32 Broken pipe
Sometimes I have an error in vendor/react/stream/src/Buffer.php (line:86)
fwrite(): send of 4 bytes failed with errno=32 Broken pipe

in this line:
$sent = fwrite($this->stream, $this->data);

What should I do? Thanks.

Info:

PHP version 5.6.26.

composer show -i:

cboden/ratchet            v0.3.5 PHP WebSocket library
evenement/evenement       v2.0.0 ├Йv├йnement is a very simple event dispatching library for PHP
guzzle/common             v3.9.2 Common libraries used by Guzzle
guzzle/http               v3.9.2 HTTP libraries used by Guzzle
guzzle/parser             v3.9.2 Interchangeable parsers used by Guzzle
guzzle/stream             v3.9.2 Guzzle stream wrapper component
monolog/monolog           1.21.0 Sends your logs to files, sockets, inboxes, databases and various web services
psr/log                   1.0.2  Common interface for logging libraries
react/event-loop          v0.4.2 Event loop abstraction layer that libraries can use for evented I/O.
react/socket              v0.4.3 Library for building an evented socket server.
react/stream              v0.4.4 Basic readable and writable stream interfaces that support piping.
react/zmq                 v0.3.0 ZeroMQ bindings for React.
symfony/event-dispatcher  v3.1.6 Symfony EventDispatcher Component
symfony/http-foundation   v3.1.6 Symfony HttpFoundation Component
symfony/polyfill-mbstring v1.2.0 Symfony polyfill for the Mbstring extension
symfony/routing           v3.1.6 Symfony Routing Component
