It got error: "(ipc/send) invalid destination port" while sending message from sandbox app to SpringBoard through CPDistributedMessagingCenter under iOS 11.4.1 + unc0ver.

Situations:

• iOS 11.4.1 + unc0ver -> Failed
• iOS other versions + unc0ver -> Successful
• iOS all versions + Electra -> Successful

How to build?

• Set THEOS path and THEOS_DEVICE_IP inside build.sh
• Execute ./build.sh, it will build the app and tweak then install it.