*** Warning 21129 (STR+1129)
     shell element, ID= 2419 violates heuristic shape criterion
     area/(longest diagonal)/(longest diagonal) equals: 4.9983E-02
     which may be too small (< 0.1) to permit a stable calculation.

 *** Warning 40045 (SOL+45)
     plasticity algorithm did not converge for MAT36
     for 1 elements

到這個警告就出錯