Uncaught TypeError: Cannot read property 'split' of undefined for Contact Form 7

[bimperial]

Describe the bug

The popup won't close after submitting the form.

Site information

Popup Maker version: 1.15.0
Contact Form 7 version: 5.4

WordPress version: 5.6.2

PHP version: 7.3.25

Expected behavior

The popup will close after submitting the form.

Current behavior

After submitting Contact Form 7, the popup will not close even when the popup settings in Contact Form 7 is set to close after the delay time.

Steps to reproduce

1. Edit the contact form 7 - popup settings and select Close Popup with a time delay.
2. Create a new popup and add a trigger condition time delay/auto open.
3. Include the shortcode of Contact Form 7 in the popup content.
4. Navigate to the page where the popup with contact form 7 is available.
5. Submit the form, the popup won't close.

Additional context

[danieliser]

Resolved in 43d24c1