求助optistruct hypermesh尺寸优化出现error261 怎么解决

ITERATION 1 INTERNAL PROGRAMMING ERROR # 261 *** Error while read/writing ia segment. Starting entry = 1. Specified length = 43570274. Expected length = 32091744. ************************************************************************ OptiStruct error termination report printed to file "h22.stat". Additional information may be found from standard streams stderr/stdout.These are usually directed to the terminal, or collected as separate files by any queuing or remote execution systems. HyperWorks RunManager shows stderr in a separate 'log' window. PROGRAM STOPPED DUE To ERROR.