0000282: Invalid character error in .MEG files - seemingly corrupt?

MantisBT - MEGA
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ID	Project	Category	View Status	Date Submitted	Last Update
0000282	MEGA	Tree Explorer	public	2016-10-17 02:23	2016-10-17 02:23

Reporter	guest
Assigned To
Priority	normal	Severity	minor	Reproducibility	have not tried
Status	new	Resolution	open
Platform	PC	OS	Windows	OS Version	7
Product Version	MEGA 11 (Graphical Interface version)
Target Version		Fixed in Version
First Name	Rich
Last Name	Boden
Email	rich.boden@plymouth.ac.uk
Confirm Email	rich.boden@plymouth.ac.uk

Summary	0000282: Invalid character error in .MEG files - seemingly corrupt?
Description	I've checked the Known Issues and this is not there. I have a larger alignment (313 sequences - reassigning a whole Class) on a PC with 32Gb RAM etc so it handles it well. I've aligned (CLUSTALW) and exported as .MEG as I always do. I've then done an NJ tree for the sake of a quick look but when I open the .MEG file for the NJ tree to build, it says there is an invalid character. I've uploaded a screenshot for you. I've been back to the alignment, re-exported, same issue. It looks a bit like every taxon below this one (no. 232 of 313) looks wrong in the .MEG file but fine in the .MAS file tbh. I've tried exporting the alignment as .FASTA and had the same error. In the .MAS file that taxon is totally fine - no invalid characters in the name or sequence - not even any degenerate codes, just GATC. I'm now stuck and can't process my tree or write my paper - help? :O( I can't upload the .MAS file for you as it's 20MB and your website won't permit that, sorry.
Steps To Reproduce
Additional Information
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Attached Files	MEGA error.JPG (95,954) 2016-10-17 02:23 https://megasoftware.net/mantis_bt/

Issue History
Date Modified	Username	Field	Change
2016-10-17 02:23	guest	New Issue
2016-10-17 02:23	guest	File Added: MEGA error.JPG

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