Error: ER_NO_REFERENCED_ROW_2: Cannot add or update a child row: a
foreign key constraint fails (`employee`, CONSTRAINT
`fk_Employee_Exhibits1` FOREIGN KEY (`EnclosureID`) REFERENCES `enclosure`
(`Enclosure`) ON DELETE NO ACTION ON UPDATE NO ACTION

var entry = {
        'Zoo ID': 1,
        'First Name': $("#firstNameEntry").val(),
        'Last Name': $("#lastNameEntry").val(),
        'Enclosure ID': enclosure.options[enclosure.selectedIndex].id,
        'Shop ID': shop.options[shop.selectedIndex].id,
        'Job Desciption': $("#jobDescriptionEntry").val(),
        'Hire Date': today,
        'Shifts': $("#shiftEntry").val(),
        'Salary': $("#salaryEntry").val()
    };

insertEmployee = function(data, callback){
  var sql = "INSERT INTO employee SET ?"
  console.log(data)
  pool.getConnection(function(err, connection) {
    if(err) { console.log(err); callback(true); return; }
    // make the query
    connection.query(sql, data, function(err, results) {
      connection.release();
      if(err) { console.log(err); callback(true); return; }
      callback(false, results);
    });
  });
}