Trapcode Particular is quite a GPU hog and it might be that your Radeon Vega Mobile Gfx just cannot keep up with Particular's requirements. I used to really like that plugin, but I do find it crashes quite easily. Whioch version are you running? If its the latest then Maxon's support should be able to advise you better.
Before contacting them it's worth updating your graphics drivers and clearing cache to see if that helps.
With a bit of work, CC Particle World which is part of AE can accomplish most of the things Particular can, it's worth exploring.