ERROR:   simpack-flx: the argument for option '--file' should follow immediately after the equal sign

INFO:    Starting Simpack Generator simpack-flx with following arguments: "--tool=convert-flexbody" "--output-file=E:\研一\simpack\1.fbi" "--length=1" "--mass=1" "--time=1" "--file=" "--file=E:\研一\simpack\Job-5.inp" "--file=E:\研一\simpack\Job-5_Z1.sim" "--rec-rot-dof"

ERROR:   Simpack 2021 - FBI File Generation: An error occurred while generating! Please check the log for further information!