Just wanted to draw the team’s attention to a very similar traceback as this one when I tried reading in an EDF file from the CHB-MIT public database.(available here:CHB-MIT Scalp EEG Database v1.0.0 )
See this post of mine:Unable to read .edf file - #11 by monkeyontiger
Please disregard if irrelevant; I thought that edf and bdf files share the underlying format and the error thrown is almost identical, so this may be relevant.