Why is my below code returning the errors “no function to return from, jumping to top level” & “unexpected '}' in ”}"

Question

T <- 5 ; grids <- 5000 ; N <- T/h ; r <- 0.03 ; V0 <- 0.16 
x0 <- 100 ; h <- T/grids ; K <- 115 ; kappa <- 1 ; theta <- 0.09
xi <- 1