Attach (recommended) or Link to PDF file here:
https://www.placementsmondiauxsunlife.com/content/dam/sunlife/regional/canada/documents/slgi/4839-I-F.pdf

Configuration:

- Web browser and its version: 91.0a1 (2021-07-03) (64-bit)
- Operating system and its version: Windows 10

Steps to reproduce the problem:
1. enableXfa = true
2. Open form

What is the expected behavior? (add screenshot)

![image](https://user-images.githubusercontent.com/7104454/124389449-1ede2b80-dcb5-11eb-98ba-01e1f3d6c6f5.png)


What went wrong? (add screenshot)

![image](https://user-images.githubusercontent.com/7104454/124389460-2c93b100-dcb5-11eb-9768-98ddd2c8f1e7.png)

this.corner = new XFAObjectArray();
    this.date = new XFAObjectArray();
    this.dateTime = new XFAObjectArray();
    this.dateTimeEdit = new XFAObjectArray();
    this.decimal = new XFAObjectArray();
    this.defaultUi = new XFAObjectArray();
    this.desc = new XFAObjectArray();
    this.digestMethod = new XFAObjectArray();
    this.digestMethods = new XFAObjectArray();
    this.draw = new XFAObjectArray();
    this.edge = new XFAObjectArray();
    this.encoding = new XFAObjectArray();
    this.encodings = new XFAObjectArray();
    this.encrypt = new XFAObjectArray();
    this.encryptData = new XFAObjectArray();
    this.encryption = new XFAObjectArray();
    this.encryptionMethod = new XFAObjectArray();
    this.encryptionMethods = new XFAObjectArray();
    this.event = new XFAObjectArray();
    this.exData = new XFAObjectArray();
    this.exObject = new XFAObjectArray();
    this.exclGroup = new XFAObjectArray();
    this.execute = new XFAObjectArray();
    this.extras = new XFAObjectArray();
    this.field = new XFAObjectArray();
    this.fill = new XFAObjectArray();
    this.filter = new XFAObjectArray();
    this.float = new XFAObjectArray();
    this.font = new XFAObjectArray();
    this.format = new XFAObjectArray();