Board Thread:Game Updates/@comment-30542734-20190409084227/@comment-32647310-20190520123712

https://twitter.com/KanColle_STAFF/status/1130450433330143237

So, if Google Translate is accurate, there were some problems with the data consistancy checks, so the devs are, of course looking into correcting this.

...with a delay pushing the maintenance to be completed at 4am JST....at the soonest.

That is one *HELL* of a delay...