Error in MCPE version 0.15.10

[ImNotDeveloper]

The proxy works but not at the same time, when a user tries to enter, it does not let him and the proxy closes with the following error

events.js:183
throw er; // Unhandled 'error' event
Error [ERR_SOCKET_CANNOT_SEND]: Unable to send data
at Socket.onListenError (dgram.js:362:22)
at Object.onceWrapper (events.js:315:30)
at emitOne (events.js:116:13)
at Socket.emit (events.js:211:7)
at _handle.lookup (dgram.js:267:14)
at _combinedTickCallback (internal/process/next_tick.js:141:11)
at process._tickCallback (internal/process/next_tick.js:180:9)

[enricoangelon]

The proxy is about 8 years ago...