MobSniper

Some reason my minehut server randomly crashes, or has very weird ping increases (Image 1) this is the start of the server being overloaded and it constantly increases for whatever reason and I cannot find the issue.. Other times the server runs perfectly. (Image2) this is the log of a random crash, no error messages in console no lag perfectly fine until boom crashed. Weird thing is the server always crashes when somebody issues a command could be a plugin command or a normal MC command like the e.g in image 2, /tp. (Image2) (image 1)