got this error.can somebody help?

..loaded 3329 faces, 404 meshes, 186 trisurfs, 0 flares
trying gfx/damage/blood_screen.TGA...
^3WARNING: R_FindImageFile could not find 'gfx/damage/blood_screen.tga' in shader 'viewBloodBlend'
^3Shader viewBloodBlend has a stage with no image