All tge Program is Ok but Giving Error at Run Time

Question

Program Compiled But At Runtime I am Getting Exception Handling Error can anyone help me with it ?? all the code in Class and a
https://code.sololearn.com/c8td0aItWcr4/?ref=app
https://code.sololearn.com/c8td0aItWcr4/?ref=app

Answer 1

Vector may be most use full but I am trying to make it as Simple as possible

Answer 2

Is the use of vector a viable option to try?