ERROR PLS HELP Me

When I start scanning the devices I give this error. Can someone help me?

[amalsajeevan]

When u am trying to get SDP info by clicking on run i am getting the same error mentioned above.can someone help me with this?:(

[Mikewins1]

SAME issue here.

Traceback (most recent call last):
File "bluemaho.py", line 436, in StartInquiryScan
self.monscreen.DeleteRows(0,self.monscreen.GetNumberRows(),True)
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk3/wx/grid.py", line 1277, in DeleteRows
return _grid.Grid_DeleteRows(*args, **kwargs)
wx._core.PyAssertionError: C++ assertion "Assert failure" failed at ../src/generic/grid.cpp(1392) in DeleteRows(): Called wxGridStringTable::DeleteRows(pos=0, N=0)
Pos value is invalid for present table with 0 rows

Same issue:
Traceback (most recent call last):
File "./bluemaho.py", line 436, in StartInquiryScan
self.monscreen.DeleteRows(0,self.monscreen.GetNumberRows(),True)
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk3/wx/grid.py", line 1277, in DeleteRows
return _grid.Grid_DeleteRows(*args, **kwargs)
wx._core.PyAssertionError: C++ assertion "Assert failure" failed at ../src/generic/grid.cpp(1392) in DeleteRows(): Called wxGridStringTable::DeleteRows(pos=0, N=0)
Pos value is invalid for present table with 0 rows

[freefred81]

same here