loss nan using centernet v 19 ese fpn lite res600 ms bs16 4x.yaml

[qgh1223]

meet loss nan using centernet v 19 ese fpn lite res600 ms bs16 4x.yaml.How to solve?
No problem using centermask_R_50_FPN_1x.yaml
Why?

[ztt0821]

meet loss nan using centernet v 19 ese fpn lite res600 ms bs16 4x.yaml.How to solve?
No problem using centermask_R_50_FPN_1x.yaml
Why?

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