hello ，when i run 'train',there always print Lifting invalid error: nothing in frustum bounds, did you have this question ,please answer me ,thank you

[crazy-stycxj]

Lifting invalid error: nothing in frustum bounds Lifting invalid error: nothing in frustum bounds Lifting invalid error: nothing in frustum bounds Lifting invalid error: nothing in frustum bounds Lifting invalid error: nothing in frustum bounds Lifting invalid error: nothing in frustum bounds Lifting invalid