[marcoszorrilla]

Mira por este lado a ver si lo arreglass.

unit SysConst;

interface

resourcestring
  SUnknown = '<unknown>';
  SInvalidInteger = '''%s'' is not a valid integer value';
  SInvalidFloat = '''%s'' is not a valid floating point value';
  SInvalidDate = '''%s'' is not a valid date';
  SInvalidTime = '''%s'' is not a valid time';
  SInvalidDateTime = '''%s'' is not a valid date and time';
  STimeEncodeError = 'Invalid argument to time encode';
  SDateEncodeError = 'Invalid argument to date encode';

...

Un Saludo.