Install amqp-specs by entering the following commands in the terminal:
sudo apt update sudo apt install amqp-specs
specs for the Advanced Message Queuing Protocol (AMQP)
AMQP is the Internet Protocol for Business Messaging . The Advanced Message Queuing Protocol (AMQP) is an open standard for passing business messages between applications or organizations. It connects systems, feeds business processes with the information they need and reliably transmits onward the instructions that achieve their goals. . This package provides current and legacy AMQP protocol specifications, needed by some implementations.