Call to a member function getStorageType() on a non-object
Revert "Call to a member function getStorageType() on a non-object"

This reverts commit bd6af262beae8649f0001c373135fb9fe77256d6.
Call to a member function getStorageType() on a non-object (reverted from commit bd6af262beae8649f0001c373135fb9fe77256d6)
Merge pull request #1633 from rixbeck/check-custfield

Avoids to call checkTablesIntegrity() in checkConfig() method...