Hi there,
I appreciate you reaching out. I sincerely apologize for this oversight. Add this language code inside the template langauge file or page builder langauge file.
/language/en-GB/
en-GB.com_sppagebuilder.ini
; Ajax Contact
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_NAME="Name"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_EMAIL="Email"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_SUBJECT="Subject"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_MESSAGE="Message"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_PHONE="Phone"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_SEND="Send Message"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_WRONG_CAPTCHA="Wrong answer! Please enter right answer."
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_SUCCESS="Email sent successfully!"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_FAILED="Email sent failed."
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_CAPTCHA_NOT_INSTALLED="Please make sure that, re-captcha pluging is enabled"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_INVALID_CAPTCHA="Invalid Recaptcha"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_INVISIBLE_CAPTCHA_NOT_INSTALLED="Please make sure reCaptcha v3(invisible) is enabled or reCaptcha secret/site key is valid."
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_SENDER_IP="Sender IP"
COM_SPPAGEBUILDER_ADDON_AJAX_CONTACT_TAC="Accepted Terms, Privacy/GDPR"
-Thanks