How to solve Delphi's [Pascal Fatal Error] F2084 Internal Error: LA33?

TMyClass = class(TComponent)
private
  const ErrStrs: array[TErrEnum] of string
    = ('', //erOK
       'Invalid user name or password', //erInvUserPass
       'Trial Period has Expired'); //erTrialExp
protected
  ...
public
  ...
end;

TMyArray = array[TErrEnum] of string;

TMyClass = class(TComponent)
private
  const ErrStrs: TMyArray
    = ('', //erOK
       'Invalid user name or password', //erInvUserPass
       'Trial Period has Expired'); //erTrialExp
protected
  ...
public
  ...
end;