What happens if you use a low temp glue stick in a high temp gun?

I recently bought a High Temp glue gun, but I forgot to buy the sticks.

I have sum low temp ones for my other gun, what would happen if I out the low heat glue sticks into the High temp gun?

Im assuming a big gooey mess, but hoping not lol.
Update: So I can use it? It wont melt inside too fast and mess up the glue gun or anything?
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