Nodes goes offline randomly and greetings

Ignore error for 118UWpMCHzs6CvSgWd9BfFVjw5K9pZbJjkfZJexMtSkmKxvvAW as this satellite has shut down.

Go to your folder for orders/unsent remove the oldest 5 files that would have nearly same timestamp. These 5 files represent orders for 5 satelllites. You can save them in another folder too if you want. Then restart your node. Observe the log to make sure you see sending for orders which will prove your issue was fixed.

Here is a reference thread: