Error in BEAUti: getParent() is null when generating XML from concatenated amino acid alignment

[Jaume Ros]

Dear colleagues,

I’m encountering an error in BEAUti v10.5.0 when trying to generate an XML file from a concatenated aa alignment. The dataset consists of sequences from 182 species, with approximately 38,000 sites in total.

When I try to export the XML, I receive the following error message:

Substitution model or site model generation has failed because:
Cannot invoke "dr.app.beauti.options.Parameter.getDimensionWeight()" because the return value of "dr.app.beauti.options.Parameter.getParent()" is null

I’ve checked the Priors tab, and everything seems correctly configured (I’m attaching a screenshot of it), but the error persists.

I suspect the issue may be related to something in the Operators tab, possibly an orphaned or misconfigured operator, maybe involving parameters like ucld.mean, ucld.stdev, or bdss.*.

Has anyone seen this error before or knows how to resolve it?

Thanks in advance for any guidance you can offer!

Best regards,

Jaume