After disabling Ajax and then submitting form it gives this error
Fatal error: Uncaught Error: Call to undefined function is_plugin_active() in /home/public_html/wp-content/plugins/upi-crm-universal-crm-solution/libraries/upicrm_contact_form_7.php:58 Stack trace: #0 /home/public_html/wp-content/plugins/upi-crm-universal-crm-solution/classes/upicrm_leads.php(229): UpiCRMwpcf7->is_active() #1 /home/public_html/wp-content/plugins/upi-crm-universal-crm-solution/classes/upicrm_ui_builder.php(54): UpiCRMLeads->get_source_form_name('6', '2') #2 /home/public_html/wp-content/plugins/upi-crm-universal-crm-solution/classes/upicrm_mails.php(56): UpiCRMUIBuilder->lead_routing(Object(stdClass), 'leads', 'source_id', Array, true) #3 /home/public_html/wp-content/plugins/upi-crm-universal-crm-solution/classes/upicrm_leads.php(93): UpiCRMMails->send(20, 'new_lead') #4 /home/public_html/wp-content/plugins/upi-crm-universal-crm-solution/libraries/upicrm_contact_form_7.php(25): UpiCRMLeads->add(Array, 2, '6') #5 /home/public_html/w in /home/public_html/wp-content/plugins/upi-crm-universal-crm-solution/libraries/upicrm_contact_form_7.php on line 58
