Libsdlttf_2.0.6 crash program when load font using TTF_OpenFontRW

Hi2all.
libsdlttf_2.0.6 crash program when load font
using TTF_OpenFontRW.
When i use TTF_OpenFont it works. But program
must us? SDL_RW.

Does anybody know the solving of this problem?

Best regards, Messenger of death