Bug : regression in 2.3.0 leading to IndexError

Bug : regression in 2.3.0 leading to IndexError: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). original report https://github.com/dandi/dandi-cli/issues/1223 for test failing while working on data from https://github.com/dandisets/nwb test data/tree/master/v2.0.1