When i open the terrain in Arma3 editor i get a messagebox with the error "Cannot open object a3\props_f_tank\a3\props_f_tank\military\wrecks\wreck_lt_01_f.p3d"

The .pbo shows some more missing objects.

Warning Message: Cannot open object a3\props_f_tank\a3\props_f_tank\military\tankacc\tanksprocketwheels_01_single_f.p3d
Warning Message: Cannot open object a3\props_f_tank\a3\props_f_tank\military\tankacc\tankroadwheels_01_single_f.p3d
Warning Message: Cannot open object a3\props_f_tank\a3\props_f_tank\military\tankacc\tanktracks_01_short_f.p3d
Warning Message: Cannot open object a3\props_f_tank\a3\props_f_tank\military\tankacc\tanktracks_01_long_f.p3d
Warning Message: Cannot open object a3\props_f_tank\a3\props_f_tank\military\tankacc\tankengine_01_used_f.p3d
Warning Message: Cannot open object a3\props_f_tank\a3\props_f_tank\military\tankacc\tankboresighter_01_f.p3d
Warning Message: Cannot open object a3\props_f_tank\a3\props_f_tank\military\tankacc\refuelinghose_01_f.p3d