failed to train model

[qiqingzhixin]

[00:27:25] [#15] Loss A: 0.20026, Loss B: 0.2247109/20/2025 00:27:25 CRITICAL NaN Detected. Loss: [0.21266034245491028, nan]
09/20/2025 00:27:25 CRITICAL Error caught! Exiting...
09/20/2025 00:27:25 ERROR Caught exception in thread: '_training'
09/20/2025 00:27:25 ERROR A NaN was detected and you have NaN protection enabled. Training has been terminated.

how to deal it

[qiqingzhixin]

crash_report.2025.09.20.004636090847.log crash log

[shuanghan0922]

me too，same question。