『求助』大侠帮帮我这个初学者啊,感激不尽啊,

运行求解器optistruct,出现error,不能运行,出现下面的问题
如何解决啊,我初次使用hypermesh啊,就遇到这样的问题.各位帮忙啊
*** OptiStruct defaults set from:
global config file: D:\Altair\hw7.0/optistruct/optistruct.cfg

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78328 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78330 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78333 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78334 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78337 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78338 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78339 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78343 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78346 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78347 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78348 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78350 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78351 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78352 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CQUAD4 element 78354 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78327 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78329 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78331 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78332 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78335 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78336 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78340 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78341 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78342 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78344 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78345 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78349 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78353 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 16 FROM SUBROUTINE renum
CTRIA3 element 78355 references a missing or invalid property.

***** FATAL INPUT DATA ERROR *****

ERROR # 14 FROM SUBROUTINE renum
29 errors found in the input data.

***** FATAL INPUT DATA ERROR *****

***** FATAL ERROR ENCOUNTERED *****