Run time error in delete nodes from bst logic

#1

why is my code giving run time error
logic seems to be correct but some test cases fail
pls help

#2

hey, provide me with your code so i can help you out

#3

https://online.codingblocks.com/app/player/62070/content/78408/5293/code-challenge

#4

hey, i cannot look at your code, this just leads me to the contest.
save your code on ide.codingblocks.com and provide me with the link generated. only then will i be able to help you out