CTD when entering -55C as ISA deviation into the FMC

[FrenchBaguette]

Title says it all, when I enter -55 as ISA dev into page 2 of the PERF INIT page on the FMC, I get a CTD. Logs included.

CL650_Log.txtLog.txt

Edited January 16, 2022 by FrenchBaguette