silo particle simulation

Hello sir I am using LIGGGHTS for my project . In this project it is exactly same as the one that uploaded a yt video
(https://www.youtube.com/watch?v=bCfCpjNuSVQ&t=8s) regarding particles are falling from silo where u added time steps ( inserting , settling , falling) . I am exactly doing the same thing but only thing is inside that large silo I added four small nozzles(OD=40mm,ID=30mm) in 4 directions similar to DED nozzle . I have insertion faces on each nozzle (total 4) . i modified your script according to my requirement . But stll it is terminating without any errors . I want your help regarding this . please help me I am uploading the script file along with stl files . Thank you