Sea battle ended up literally in the sea.
Build Number (this can be found in the top right hand corner of the menu screen)
I have Gor Rok in a ship sailing, Lokhir and reinforcements decided to attack, so it is a sea battle. Map loads and shows that it is literally in the sea. Can't move, can't deploy, can't attack.
1. Load up Auto-Save
2. End Turn
3. Fight Battle
4. Load into sea map
v1.9.2 Build 15685.2026348
No mod log, non-modded game.