2维计算时，lsdyna出现这个错误，怎么解决? 20
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Error 40509 (SOL+509)
negative volume in solid element #3000049 cycle 0
Message 40509 (SOL+509) exceeds 50 times
Further printing will be suppressed from screen only
You can change the limit (MSGMAX) at field 4 of card 2 of *CONTROL_OUTPU
我也是，还没有开始呢，cycle0就出现了这种情况