我是用pro/e画得几何体，导入到hypermesh中画网格加载荷和约束进行optistruct计算出现如下错误，为啥
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*** ERROR # 1000 *** in the input data: |
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Incorrect data in field # 3. |
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Detected while reading line 7091 from file |
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C:/Users/Administrator/Desktop/prt0001.prt.fem: |
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"CTETRA 8325 0 1402 2282 1324 1323" |
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This line was interpreted as: |
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7091:CTETRA, 8325, 0, 1402, 2282, 1324, 1323 |
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Expected INT > 0, found INTEGER (0). |
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Syntax error(s) found in bulk data 'CTETRA' card. |
