求高手指教

*** PROGRAM DETECTED THE FOLLOWING FILES THAT CAN INFLUENCE THE SOLUTION ***
SW2SP.DAT
*** END OF LIST ************************************************************

Step number is -38
Convergence Criteria for Iterative Solver
V-norm = 5.00E-03 F-norm = 5.00E-02
STEP NUMBER = 38

Eqs. New Profile Ave. Bandwidth
14940 377686 50
DIRECT METHOD
ITERATION VELOCITY RELATIVE VELOCITY RELATIVE FORCE SOLVING TIME
NUMBER NORM ERROR NORM ERROR NORM (SEC)
1 0.1148744299E+06 0.1076525997E+18 0.3236401578E+06 0.250
Program stopped because of bad element shape!
老是出现这个，应该怎么办呢？