Trying to research Minor Summoning: Water, a level 16 spell, fails with the message, "You cannot combine these items in this container type!"
From the game resource thread info, I think this should be working:
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I also get the same problem when attempting to do practice research to get Practice Rune Azla:
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My character may just be bugged. I have the research skill at 27, which I understand to not be possible at level 16.