what does this mean besides error?

File on disk C:\Program files\microsoft games\dungeon siege\resources\objects.dsres

Internal info:
resource=
art\bitmaps\gui\in_game\invintory\armor\body_armor\b_gui_ig_i_a_pos_a2_055.raw
offset=0x02a3bd88
size=16400
crc=0x7e585637
algo text=z_data_error

?

anyway to fix it without reinstalling cuz disk is skratchy