fprintf(stderr, "Access violation detected.\n"
"This probably comes from a programming error in your code, or from a stack\n"
"overflow. If you are certain of your code, try increasing the stack size\n"
- " --cfg=contexts/stack-size=XXX (current size is %d KiB).\n"
+ " --cfg=contexts/stack-size=XXX (current size is %u KiB).\n"
"\n"
"If it does not help, this may have one of the following causes:\n"
"a bug in SimGrid, a bug in the OS or a bug in a third-party libraries.\n"