frigoref

@JPBergsma Thank you very much for submitting such a concise bug description! Only thing missing is a clear to-be state definition. Do you expect the list of units to change...

PR #13587 (Fix13580 select in battle calculator) is ready, but still waiting for code review.

@panther2 Could you then please provide a detailed step-by-step guide how to reproduce the issue?

Map needs to be re-downloaded again. A fix was made 3 months ago https://github.com/triplea-maps/world_war_ii_revised/blame/8f170528c71903b9bb25682e3fe4751c44aaa29c/map/games/lhtr.xml#L112 in commit https://github.com/triplea-maps/world_war_ii_revised/commit/8f170528c71903b9bb25682e3fe4751c44aaa29c @author: Please confirm closure.

@Author: I need the save game to analyze this further. As the exception states, at this coding point it an illegal state was detected the prevented the program from running...

@Author: Could you please provide a save game file to reproduce this issue? It seems that technically during unit placement a Unit is there without an assigned GamePlayer (`null`) which...

@beelee1 Could you please describe more precisely (in words) what was happening (=desire behaviour) vs. what currently happens? (I assume you don't just want me to program that your first...

@beelee1: Please retest with version [2.7.15297](https://github.com/triplea-game/triplea/tree/2.7.15297) or above. Note that this the pre-release build is currently blocked due to issue #13942

@DanVanAtta Not sure what you mean with "easy to repro either in a specific UI ...". From my perspective we would need the author to let us know what was...

@DanVanAtta If we also remove `MessageFormat` from the `ResourceBundle`, we might get into problems with translations as the the sorting order of parameters can be defined with `MessageFormat` independent of...