Energy Schedule missing 23 to 0

On the Energy Schedule, the entry for 23-0 is always missing. Not sure if just a display issue, or not calculated at all.

(Applies for all 3 graphs: Energy / Costs and earnings / Schedule)

Edit: Seems to apply for the production version as well:

Is this specific to beta VRM or is it a general production issue?

Both!

Beta VRM:

And official VRM: