Error: Mendix with RabbitMQ (An error occurred while publishing to exchange null on host null: Configured publishAction is not valid.)

An error occurred while publishing to exchange null on host null: Configured publishAction is not valid.

Stacktrace:

com.mendix.core.CoreRuntimeException: com.mendix.systemwideinterfaces.MendixRuntimeException: java.lang.IllegalArgumentException: Configured publishAction is not valid.
    at com.mendix.basis.component.InternalCore.execute(InternalCore.java:449)

Caused by:
com.mendix.systemwideinterfaces.MendixRuntimeException: java.lang.IllegalArgumentException: Configured publishAction is not valid.
    at com.mendix.basis.actionmanagement.ActionManager.executeSync(ActionManager.java:178)

Please find the configuration

Could you please guide me