[BUG] - <title>RuntimeError: index -9223372036854775808 is out of bounds for dimension 1 with size 1. ProbabilisticActor cannot be configured with return_log_prob=True; it will throw an error in version 0.5.0, but switching back to version 0.4.0 resolves the issue.

[BUG] - <title>RuntimeError: index -9223372036854775808 is out of bounds for dimension 1 with size 1. ProbabilisticActor cannot be configured with return_log_prob=True; it will throw an error in version 0.5.0, but switching back to version 0.4.0 resolves the issue. #1617