[MohamedHamouda]

Hello everyone, i am working on a tutorial named as flow facing sudden contraction so i finished the geometry and creating mesh. when i used the command "ideasUnvToFoam" an error occurred :
Usage: ideasUnvToFoam [OPTIONS] <.unv file>
options:
-case <dir> specify alternate case directory, default is the cwd
-dump dump boundary faces as boundaryFaces.obj (for debugging)
-fileHandler <handler>
override the fileHandler
-libs '("lib1.so" ... "libN.so")'
pre-load libraries
-noFunctionObjects
do not execute functionObjects
-region <specify the mesh region>
-srcDoc display source code in browser
-doc display application documentation in browser
-help print the usage

Using: OpenFOAM-10 (see https://openfoam.org)
Build: 10-e450dce21ea5



--> FOAM FATAL ERROR:
Wrong number of arguments, expected 1 found 0


FOAM exiting
and this is screenshot of the error
Screenshot from 2023-01-02 20-56-45.jpg


so can anyone help me with it please ?