I acquired this mistake whilst employing malloc() to allocate some memory to a struct * right after spending some this debugging the code, I ultimately made use of free() function to free the allocated memory and subsequently the mistake message long gone :) gotubegotube 51.4k88 gold badges7777 silver badges161161 bronze https://stackballlevelschallenge21740.humor-blog.com/35321510/stack-ball-game-download-fundamentals-explained