Why this error comes and its resolution
this looks like to be an IOS software bug that exposes an error in a C program called gt96k_timer.c that is part of IOS.
I may be wrong but I think that gt96k can be an hardware type of serial interface.
I would consider an IOS upgrade.
Hope to help
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: