Attempt to read property "ID" on null

[DumbergerL]

Expected Behaviour

No Warning

Actual Behaviour

Warning is displayed:

Warning: Attempt to read property "ID" on null in /homepages/10/.../wp-content/plugins/sermon-manager-for-wordpress/includes/sm-template-functions.php on line 234

Steps To Reproduce

1. Select Menu
2. Save Menu

Platform

**Sermon Manager Version: Version 2.17.1 **
WordPress Version: 6.1.1
PHP Version: 8.0.28

[henryzhao95]

Had the same issue, was blocking non-sermon posts from being updated. bb536e1 fixed it.