Yes, there is a hard limit of 10 at present. Either I add a silly amount of fields that will nearly always be blank to the submissions table, or I do what I perhaps should have done from the start and make synonyms and common names relational.
So, this will take time. In the meantime, I've put in a rather ugly limit to 9 synonyms but I think if you try and add one it will still fail and so that will need to be done manually in the meantime.
When trying to delete the synonym O. siluroides from the O. bimaculatus data sheet, I get the following message:
General Error
SQL ERROR [ mysql4 ]
Unknown column 'synonym_original_desc16' in 'field list' [1054]
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I've run into this one at least twice today [sorry, didn't keep track EXACTLY], but it essentially means I can't submit changes to size/distribution that I've looked up. I've still added them to the occurrence database, so they now have SOME distribution data. But it's a bit annoying when it happens.
One species which this happens for is: Hemibagrus menoda
I have fixed this in the sense that it "gracefully" handles species with more than 9 synonyms. That's to say, you can edit or add up to a maximum of 9 and if there are any more then you need to ask me to make the change - even if they are already in the database.
It should prevent errors submitting any other data. As the data sub is designed to only work with 9, any more would be an enhancement (and not one that I would do as I would take the editing of synonyms out to a new admin function), so this is "bug fixed"!