abaqus报错NSET“初始无效”怎么解决？

把CAD建好的三维模型导入abaqus处理之后在提交job时报错（如图），请问怎么解决？

报错内容：

Error in job Job-1: Problem when parsing keyword: NSET     Invalid value "初始无效" for parameter "nset". The value may be misspelled, obsolete, or invalid.

ERROR in job messaging system: Error in connection to analysis

Error in job Job-1: The executable pre.exe aborted with system error code 1073741819. Please check the .dat, .msg, and .sta files for error messages if the files exist.  If there are no error messages and you cannot resolve the problem, please run the command "abaqus job=support information=support" to report and save your system information.  Use the same command to run Abaqus that you used when the problem occurred.  Please contact your local Abaqus support office and send them the input file, the file support.log which you just created, the executable name, and the error code.

Job Job-1 aborted due to errors.

修改inp之后新job报错

Error in job Job-3: 772909 elements have missing property definitions. The elements have been identified in element set ErrElemMissingSection.

Job Job-3: Analysis Input File Processor aborted due to errors.

Error in job Job-3: Analysis Input File Processor exited with an error.

Job Job-3 aborted due to errors.