Issue with MSC, 'prset popsizepr'

[johnpatramanis]

Steps to reproduce the bug:

1. Run Commands in MSC_MrBayes.txt file, with CONCATINATED_o.nex in the same folder
2. Nexus files is attached (changed name to upload here, contains protein data for hominids + ancient protein data from recent publications)

Would you be able to compile and run MrBayes to test fixes to this bug?

• [x] No, sorry.

What is the environment that you run MrBayes in?

• OS

Operating System: Red Hat Enterprise Linux 8.5 (Ootpa) CPE OS Name: cpe:/o:redhat:enterprise_linux:8::baseos Kernel: Linux 4.18.0-348.20.1.el8_5.x86_64

• Version of MrBayes:

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Version

MrBayes 3.2.7

Features: SSE AVX FMA Beagle readline Host type: x86_64-conda-linux-gnu (CPU: x86_64) Compiler: gnu 9.3.0

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Other information that may be of use to us in resolving this issue

Files to reproduce: Commands: MSC_MrBayes.txt Data: CONCATINATED_o_nex.txt