Warning: File 'codedescriptor.dmr' not found

Im continouly having same error when runing the model in simulink using raspberry pi external on sfucntion.

Warning: File 'codedescriptor.dmr' not found. [4 similar]

### Build procedure for model: 'Quadrature_Encoder_RPi_SFunction' aborted due to an error.

Error executing command "rm -fr /home/pi/MATLAB_ws/R2019a/E/mymatlabfolder/Simulink(27-04-20)/Quadrature_Encoder_RPi_SFunction_ert_rtw; mkdir -p /home/pi/MATLAB_ws/R2019a/E/mymatlabfolder/Simulink(27-04-20)/Quadrature_Encoder_RPi_SFunction_ert_rtw". Details:

STDERR: bash: -c: line 0: syntax error near unexpected token `('

bash: -c: line 0: `rm -fr /home/pi/MATLAB_ws/R2019a/E/mymatlabfolder/Simulink(27-04-20)/Quadrature_Encoder_RPi_SFunction_ert_rtw; mkdir -p /home/pi/MATLAB_ws/R2019a/E/mymatlabfolder/Simulink(27-04-20)/Quadrature_Encoder_RPi_SFunction_ert_rtw'

can anybody help me sorting it out??

[ash conyers]

were you ever able to figure this out?