👉 Retracks are a type of software bug that occurs when a program tries to access data that is not in its memory, causing it to crash or exit abruptly. This can happen if there is an error in accessing the memory, such as incorrect pointer arithmetic or an out-of-memory condition. The term "rettrack" refers to a situation where a program tries to access data that is not in its memory, leading to a crash or an unexpected termination of the program.