In ScummVM 2.0.0 the version requirement of drascula has been bumped: https://github.com/scummvm/scummvm/commit/327dcf9 They also include an updated drascula.dat in this commit. I tested it, and by replacing this file I got it running again.
In the next ScummVM update there will be another version bump (6.0): https://github.com/scummvm/scummvm/commit/59905ee (But the dat file from this commit can't be used with scummvm 2.0, as the versions have to match)
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