[PROBLEM] GR files

[plechito]

Hello,
i have .GR2 files with TAG:800015 (normally is 800010), and this files is not function... ingame..
why?
Thanks for answer

sysser:

1105 08:06:22162 :: GRANNY: r:/granny/rt/granny_file_info.cpp(145): File has run-time type tag of 0x80000015, which doesn't match this version of Granny (0x80000010).  Automatic conversion will be attempted.
1105 08:06:22636 :: GRANNY: r:/granny/rt/granny_file_info.cpp(145): File has run-time type tag of 0x80000015, which doesn't match this version of Granny (0x80000010).  Automatic conversion will be attempted.
1105 08:06:23022 :: GRANNY: r:/granny/rt/granny_file_info.cpp(145): File has run-time type tag of 0x80000015, which doesn't match this version of Granny (0x80000010).  Automatic conversion will be attempted.

#edit - sysser