Help with Chassis No.
Hi, Peeps 
So my lovely caravan came home today and I'm thrilled to bits with her! I'm trying to insure her now and need the chassis no so I took a look at the little silver plate by the door and found the following chassis no.: 89CU1724384
However, the form I'm filling in says that it's not in the right format and I'm at a loss what could be wrong with it.
She's a Sprite Musketeer if that makes any difference. What am I doing wrong?
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