Can't modify to Testimonial module

[saviour007]

Dear developer,
The problem is unable to edit, add or delete contains in Testimonial module, it show error when try to save:

Fatal error: Call to undefined method HotelImage::validateImage() in /opt/lampp/htdocs/odyssey/modules/wktestimonialblock/controllers/admin/AdminTestimonialsModuleSettingController.php on line 199

Thank you and looking forward to the fix.

[sumitwebkul]

Hello,
We have to check issue on your server. Please raise a ticket at https://webkul.uvdesk.com/. We will need your FTP details and adminlogin credentials to look into the issue.
So Please provide the above required details while raising ticket. We will definitely resolve your issue there ASAP.
Thanks.