The following individual does not have a valid birth date and could not be added: (I1018) The following individual does not have a valid birth date and could not be added: (I1821) The following individual does not have a valid birth date and could not be added: (I2106) The following individual does not have a valid birth date and could not be added: (I1855) The following individual does not have a valid birth date and could not be added: (I1017) The following individual does not have a valid birth date and could not be added: (I1750)