Error in opening Table

Hi Friends,

When i am opening the table AifSqlCdcEnabledTables facing this error. How to Resolve this.

Normal 0 false false false false EN-IN X-NONE X-NONE

Request for the permission of type 'AifChangeTrackingPermission' failed.

(S)\Classes\CodeAccessPermission\demand
(S)\Data Dictionary\Tables\AifSqlCdcEnabledTables\Methods\aosValidateRead - line 16
(C)\Classes\QueryRun\next
(C)\Classes\FormDataSource\executeQuery
(C)\Forms\SysTableBrowser\Data Sources\AifSqlCdcEnabledTables\Methods\executeQuery - line 16
(C)\Classes\FormRun\run
(C)\Forms\SysTableBrowser\Methods\run - line 3
(C)\Classes\SysTableBrowser\run - line 76

Please Help me.

Thanks in Advance.