error register helper add-on

This has happened twice in the last few days – and disabling the plugin and re-enabling it seems to fix the issue immediately and then it happens again…

In this case, WordPress caught an error with one of your plugins, Paid Memberships Pro – Register Helper Add On.

First, visit your website (https://unionchamber.com/) and check for any visible issues. Next, visit the page where the error was caught (https://unionchamber.com/wp-admin/profile.php) and check for any visible issues.

When seeking help with this issue, you may be asked for some of the following information:
WordPress version 6.1.1
Active theme: Divi (version 4.20.0)
Current plugin: Paid Memberships Pro – Register Helper Add On (version 1.8.1)
PHP version 7.4.33

Error Details
=============
An error of type E_ERROR was caused in line 1368 of the file /home/commerce/public_html/wp-content/plugins/pmpro-register-helper/pmpro-register-helper.php. Error message: Uncaught Error: Call to undefined function pmpro_hasMembershipLevel() in /home/commerce/public_html/wp-content/plugins/pmpro-register-helper/pmpro-register-helper.php:1368
Stack trace:
#0 /home/commerce/public_html/wp-content/plugins/pmpro-register-helper/pmpro-register-helper.php(1169): pmprorh_checkFieldForLevel(Object(PMProRH_Field), ‘profile’, 93)
#1 /home/commerce/public_html/wp-content/plugins/pmpro-register-helper/pmpro-register-helper.php(855): pmprorh_getProfileFields(93, true)
#2 /home/commerce/public_html/wp-content/plugins/pmpro-register-helper/pmpro-register-helper.php(900): pmprorh_rf_show_extra_profile_fields(Object(WP_User), true)
#3 /home/commerce/public_html/wp-includes/class-wp-hook.php(308): pmprorh_rf_show_extra_profile_fields_withlocations(Object(WP_User))
#4 /home/commerce/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#5 /home/commerce/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#6 /home/commerce/public_html/wp-admin/user-edit