Have you tried the command "VALIDATE DATABASE RECOVER"? the syntax is:
VALIDATE DATABASE Command

Ensures that the locations of tables and indexes in the current database are correct.

Syntax

VALIDATE DATABASE
[RECOVER]
[NOCONSOLE]
[TO PRINTER [PROMPT] | TO FILE FileName]

Arguments

RECOVER

Displays dialogs that allow you to locate tables and indexes that are not in the locations contained in the database. VALIDATE DATABASE RECOVER must be issued in the Command window; issuing VALIDATE DATABASE RECOVER within a program generates an error message.