SAP Message VT662 - Internal error &2 when saving access sequence &1 (see long text)

Diagnosis
An internal error occurred when saving access sequence &V1&, access &V3&that cannot be corrected in the processing dialog.
Internal error 1:
There is more than one entry for the exact same access number in theaccess table (T682I).
Internal error 2:
There is an entry in the field assignment table (T682Z) for which thereis no corresponding access (T682I).
Internal error 3:
There is an entry in the access table (T682I) for which there is nocorresponding access sequence (T682).

System Response
The changes are not saved.

Procedure
Restart the transaction.

1430463Extended checks for customizing of pricing access sequence