Ultima VI Enhanced, crash when camping

[sjdemonico]

ScummVM version: 2.2.0git7715-g5ce24939d0
Bug details: Attempting to rest anywhere in the wilderness results in a notify window from MinGW with the following information:

MinGW Runtime Assertion

Assertion failed!
Program: C:\Program Files\ScummVMdev\mingw-w64-master-5ce24939\scummvm.exe
File: ../../src-master/src/common/array.h, Line 192

Expression: idx < _size

Language of game: English
Version of game CD
OS: Windows 10 build 1903 64-bit
Attach a save game if possible
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[sjdemonico]

Screenshot of error msg

[sjdemonico]

Save game in wilderness, rest to reproduce error