模块“GUI.exe”中地址00822135的访问违例。读地址00000040

There is sqlite a database - a descriptor, containing the list of tables, the list of domains, the list of fields, the list of restrictions (primary and foreign keys), the list of indexes. I am connected from Delphi XE3 with the help of the built-in component to this basis. There is a separate module in which the classes TTableSpec, TFieldSpec, TConstraintSpec, TConstraintDetSpec, TDomainSpec are described. These classes correspond to records of above-mentioned sqlite of basis. In TTableSpec classes there are such FFields fields: TComponent which becomes the owner of objects like TFieldSpec which have been also unloaded from basis (for example, also DBSchema contains the FTables field being the owner of all tables), and in the class TFieldSpec there is a FDomainSpec field: TDomainSpec. Actually I give a code of classes connected to an errorThere is sqlite a database - a descriptor, cont