Schema is not working

We are trying to add a class, we are using the following method and the code does not pass the line. No error is printed. Please advise.

var mySchema = new Parse.Schema(‘MyClass’);

We are currently on Parse server version 2.7.2

Here is an example from docs:

// create an instance to manage your class
const mySchema = new Parse.Schema('MyClass');

// gets the current schema data
mySchema.get();

// returns schema for all classes
Parse.Schema.all()

// add any # of fields, without having to create any objects
mySchema
  .addString('stringField')
  .addNumber('numberField')
  .addBoolean('booleanField')
  .addDate('dateField')
  .addFile('fileField')
  .addGeoPoint('geoPointField')
  .addPolygon('polygonField')
  .addArray('arrayField')
  .addObject('objectField')
  .addPointer('pointerField', '_User')
  .addRelation('relationField', '_User');

// new types can be added as they are available
mySchema.addField('newField', 'ANewDataType')

// save/update this schema to persist your field changes
mySchema.save().then((result) => {
  // returns save new schema
});
// or
mySchema.update().then((result) => {
  // updates existing schema
});