same shit, as im understood, u should be have in zip: obj_train_data folder inside this txt files with annotations and names like urs images, obj.data with count classes, links to train.txt(train with links as data/obj_train_data/{name_image}, obj.names with classes names. But when u import this in task\job u will has only classes without boxes, idk how it fix, and in internet havent information about this.

upd. im using windows so maybe we has different ways