Emails are Received ERRORS: {"wp_mail_failed":["Could not instantiate mail function."]}

SupportEmails are Received ERRORS: {"wp_mail_failed":["Could not instantiate mail function."]}
Muhammad Irfan asked 5 years ago
I read Your all related question and answers but I can't find the solution of my problem.
here is everything is fine but email notification can be received. I'm posting One error log below. It is a great and amazing plugin I really need and appreciate your Help.   ------------ ERROR #8 ------------
TYPE: MAIL
ERRORS: {"wp_mail_failed":["Could not instantiate mail function."]}
ERRORS_DATA: {"wp_mail_failed":{"to":["irf297@gmail.com"],"subject":"Reservation 9","message":"<!DOCTYPE HTML>\n<html lang=\"en\">\n <head>\n <meta http-equiv=\"Content-Type\" content=\"text\/html;charset=UTF-8\">\n <\/head>\n <body>\n <p>pending<\/p>\n <\/body>\n<\/html>","headers":[],"attachments":[],"phpmailer_exception_code":2}}