我用复合材料肋板做屈曲分析，提交时总是弹出这个提示
he job input file "Job-1.inp" has been submitted for analysis.
Error in job Job-1: 225 elements have zero transvere shear stiffness. The elements have been identified in element set ErrElemZeroTransShearStiff.
Job Job-1: Analysis Input File Processor aborted due to errors.
Error in job Job-1: Analysis Input File Processor exited with an error.
Job Job-1 aborted due to errors.
请问这种问题是为什么？