👉 In the context of computer science, a run-time error (also known as a runtime error or a runtime failure) is an unexpected termination of execution in a program. It occurs when the program encounters a condition that causes it to exit with a specific message and no further action can be taken. When a programmer writes code that runs on one machine but crashes or hangs on another, they are often referring to this as a run-time error. The term "run-time error" is used in software development