Class 'ZMQContext' not found

[Lanket]

https://github.com/espocrm/documenta...n/websocket.md

"You need to have zmq php extension installed."

Men. You best of best.
Fank you, very mach.

[yuri]

https://github.com/espocrm/documentation/blob/master/docs/administration/websocket.md

"You need to have zmq php extension installed."

[Lanket]

I think you have enabled WebSocket in settings. No need checking it w/o a proper configuration.

Yes. WebSocket.
Thank you, good men.

But it's so strange. I addet to system cron daemon how wright in documentation.
It's not hard task for mistakes. It's task so simple.

I don't andastand what you mind "a proper configuration".
In documentation was not any settings or special configuration.
And there not any words about requirementю


What are there can not work?

[yuri]

I think you have enabled WebSocket in settings. No need checking it w/o a proper configuration.

[Lanket]

Update to version 5.7.2 is not help me, and the problem stay.

[Lanket]

Every 5 seconds in log add this:

 
 [2019-10-13 18:50:04] Espo.ERROR: Uncaught Exception Error: "Class 'ZMQContext' not found" at /PathToEspocrm/vendor/react/zmq/src/Context.php line 37 {"exception":"[object] (Error(code: 0): Class 'ZMQContext' not found at /home/smarthome/espocrm/vendor/react/zmq/src/Context.php:37)"} []

Version 5.6.14

How to repeir this?