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. 2013 Jan 1;4(1):97–106. doi: 10.4161/viru.23161

Table 1. Possible problems and their solutions.

Problem Possible reason Solution
Sequences don’t have their complete name while opening in CodonCode Aligner
There may be a space in the name
Remove all of the spaces in the name and reopen the data set
All sequences failed to assemble in a single contig
There may not be enough identity between the reference and query sequences
Assign another reference sequence from the unassembled sequences
The Perl script failed to convert Fasta to Phylip format
There may be illegal symbols in the sequence characters or names
Remove any illegal symbol from the sequence by opening the data set in TextEdit, and save before closing
RAxMLGUI installation is incomplete
The library is missing
To speed up the algorithm you may need to install a library from the program webpage
Load of alignment in RAxMLGUI failed
There may be illegal symbols in the sequence characters or names
Remove any illegal symbol from the sequence by opening the data set in TextEdit, and save before closing
Problem specific to each program There may be unseen problems associated with each program Consult the respective webpage for appropriate tutorial and help