I agree. I'm 99% sure that there were many specific error messages for diffferent kinds of problems at one time, but some change made only the dreaded "internal error" message be displayed to players.
SMF - Just Installed!
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Show posts MenuQuote+1 Action
+$1
You may trash a card from your hand.
In games using this, at the start of your turn, gain a card from the trash costing up to $6.
QuoteTrash a card from your hand. Gain a Silver per $1 it costs.
When you gain a card, you may reveal this from your hand, to exchange the card for a Silver.