Unable to run same automation using 10 robots in parallel

We are unable to run same automation package using 10 configured robots using NonProduction licenses. We are getting below error from orcehstrator while running.

This request operation sent to net.pipe://localhost/UiPath/service/executor did not receive a reply within the configured timeout (00:19:59.9989973). The time allotted to this operation may have been a portion of a longer timeout. This may be because the service is still processing the operation or because the service was unable to send a reply message. Please consider increasing the operation timeout (by casting the channel/proxy to IContextChannel and setting the OperationTimeout property) and ensure that the service is able to connect to the client.\r\n\r\nAn ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true

How to resolve this issue and can run single automation package with 10 robots in parallel ?