Fatal error: Failed opening required ‘feedback/cp-feedback.php’

Hello! After update from 1.2.25 to 1.2.26 WordPress went into recovery mode due to a fatal error from this plugin:

Error Details
=============
An error of type E_ERROR was caused in line 24 of the file /customers/f/b/0/REDACTED/httpd.www/wp-content/plugins/calculated-fields-form/cp_calculatedfieldsf_free.php. Error message: Uncaught Error: Failed opening required 'feedback/cp-feedback.php' (include_path=".:/usr/share/php") in /customers/f/b/0/REDACTED/httpd.www/wp-content/plugins/calculated-fields-form/cp_calculatedfieldsf_free.php:24
Stack trace:
#0 /customers/f/b/0/REDACTED/httpd.www/wp-settings.php(462): include_once()
#1 /customers/f/b/0/REDACTED/httpd.www/wp-config.php(131): require_once('/customers/f/b/...')
#2 /customers/f/b/0/REDACTED/httpd.www/wp-load.php(50): require_once('/customers/f/b/...')
#3 /customers/f/b/0/REDACTED/httpd.www/wp-admin/admin.php(34): require_once('/customers/f/b/...')
#4 /customers/f/b/0/REDACTED/httpd.www/wp-admin/customize.php(13): require_once('/customers/f/b/...')
#5 {main}
  thrown

Kindly let me know if you have any suggestions on how to resolve this issue.

Thank you.

 

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