Hard to say why is that happen without more infos.
My setup is not so recent: DSI base firmware v1.2J, unlaunch v2.0, TWLM++ v27.10.0, nds-bootstrap v2.4.1
ComicBook v3.0 (i set only ds mode, rest of the settings are on the defaults) works fine with those.
Remember to copy "cdbs" folder in the...