Error message from WP about WP2FA

Hi i got an Error mail from WP about my site where in the mail it pointed to WP2FA as the problem

i dont uderstand these things so im asking for some clarification about this subject and what the plugin is doing to my site.

here is the mail

Howdy!

WordPress has a built-in feature that detects when a plugin or theme causes a fatal error on your site, and notifies you with this automated email.

במקרה זה, וורדפרס מצאה שגיאה בתוסף WP 2FA - Two-factor authentication for WordPress.

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

יש ליצור קשר עם חברת האכסון לקבלת סיוע נוסף בבדיקת הבעיה.

If your site appears broken and you can't access your dashboard normally, WordPress now has a special "recovery mode". This lets you safely login to your dashboard and investigate further.

https://btech.tempurl.co.il/wp-login.php?action=enter_recovery_mode&rm_token=wdgSrTM3Q27aAtBwKsELi5&rm_key=15bRHPNZJonIdYVTSkNqgL

To keep your site safe, this link will expire in יום 1. Don't worry about that, though: a new link will be emailed to you if the error occurs again after it expires.

When seeking help with this issue, you may be asked for some of the following information:

וורדפרס גרסה 6.4.3

תבנית פעילה: Blocksy (גרסה 2.0.23)

תוסף נוכחי: WP 2FA - Two-factor authentication for WordPress (גרסה 2.6.1) PHP גרסה 8.3.0

פרטי שגיאה

===================

אירעה שגיאה מסוג E_ERROR בשורה 555 בקובץ /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php. הודעת שגיאה: Uncaught Error: Call to undefined function iconv() in /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php:555

Stack trace:

#0 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php(483): WP2FA_Vendor\BaconQrCode\Encoder\Encoder::append8BitBytes()

#1 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/vendor/bacon/bacon-qr-code/src/Encoder/Encoder.php(159): WP2FA_Vendor\BaconQrCode\Encoder\Encoder::appendBytes()

#2 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/vendor/endroid/qr-code/src/QrCode.php(320): WP2FA_Vendor\BaconQrCode\Encoder\Encoder::encode()

#3 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/vendor/endroid/qr-code/src/Writer/SvgWriter.php(25): WP2FA_Vendor\Endroid\QrCode\QrCode->getData()

#4 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Authenticator/class-authentication.php(97): WP2FA_Vendor\Endroid\QrCode\Writer\SvgWriter->writeString()

#5 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Admin/Methods/class-totp.php(219): WP2FA\Authenticator\Authentication::get_google_qr_code()

#6 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Admin/Methods/class-totp-wizard-steps.php(198): WP2FA\Methods\TOTP::get_qr_code()

#7 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Admin/Methods/class-totp-wizard-steps.php(163): WP2FA\Methods\Wizards\TOTP_Wizard_Steps::totp_configure()

#8 /home/btech/domains/b-tech.co.il/public_html/wp-includes/class-wp-hook.php(324): WP2FA\Methods\Wizards\TOTP_Wizard_Steps::totp_modal_configure()

#9 /home/btech/domains/b-tech.co.il/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()

#10 /home/btech/domains/b-tech.co.il/public_html/wp-includes/plugin.php(517): WP_Hook->do_action()

#11 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Admin/Views/class-wizard-steps.php(373): do_action()

#12 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Admin/class-user-profile.php(451): WP2FA\Admin\Views\Wizard_Steps::show_modal_methods()

#13 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Admin/class-user-profile.php(345): WP2FA\Admin\User_Profile::generate_inline_modals()

#14 /home/btech/domains/b-tech.co.il/public_html/wp-content/plugins/wp-2fa/includes/classes/Admin/class-user-profile.php(569): WP2FA\Admin\User_Profile::user_2fa_options()

#15 /home/btech/domains/b-tech.co.il/public_html/wp-includes/class-wp-hook.php(324): WP2FA\Admin\User_Profile::inline_2fa_profile_form()

#16 /home/btech/domains/b-tech.co.il/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()

#17 /home/btech/domains/b-tech.co.il/public_html/wp-includes/plugin.php(517): WP_Hook->do_action()

#18 /home/btech/domains/b-tech.co.il/public_html/wp-admin/user-edit.php(875): do_action()

#19 /home/btech/domains/b-tech.co.il/public_html/wp-admin/profile.php(18): require_once('...')

#20 {main}

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