I've already scripted off all objects. Which went fine, thankfully.

Using the SQL Server Import and Export Wizard, just trying to do one table (a big one), get...

Server: Msg 2575, Level 16, State 1, Line 1

The Index Allocation Map (IAM) page (3:7387) is pointed to by the next pointer of IAM page (0:0) in object ID 0,...