What does a 'stray low level fatal error line 198' typically indicate?

A 'stray low level fatal error line 198' generally suggests a critical, unrecoverable issue occurring at a fundamental system or hardware level. The 'stray' component implies an unexpected or out-of-place event, while 'low level' points to issues within the hardware, firmware, or very early stages of the operating system's boot process. The specific 'line 198' is a pointer to the exact location within the code or firmware where the error was detected.