Error in signal source block

Hi 

I will be thankful for any guidance regarding the following error:

Environment:

Ububtu 20.04.1 LTS on Virtualbox

GR-3.8.4 installed from PyBombs: https://github.com/gnuradio/pybombs#pybombs

Block: Signal Source

Error: 

Param - Waveform(waveform):
Expression gr_waveform_t.GR_COS_WAVE is invalid for type 'int'.

Parents Reply Children
No Data