[web2py] upgraded to 1.83.2 with db table file appears corrupted

[vince]

upgraded to 1.83.2, the application itself run fine just with this
error appearing in error log sometimes.

is there any way to regenerate the db table file?

Traceback (most recent call last):
  File "gluon/restricted.py", line 186, in restricted
    exec ccode in environment
  File "/home/web2py/applications/cms/models/db.py", line 36, in
<module>
    auth.define_tables()                         # creates all needed
tables
  File "gluon/tools.py", line 1153, in define_tables
    self.settings.table_membership_name, migrate))
  File "gluon/sql.py", line 1359, in define_table
    t._create(migrate=migrate, fake_migrate=fake_migrate)
  File "gluon/sql.py", line 1839, in _create
    raise RuntimeError, 'File %s appears corrupted' % self._dbt
RuntimeError: File /home/web2py/applications/cms/databases/
fb87181b96a99be45f5a23f4277867ce_auth_membership.table appears
corrupted