Import data

Hello, I tried to import sample data for bfastmag pro version . But there are a problem as below. Can you solve it for me

Warning: Declaration of WP_Import::bump_request_timeout() should be compatible with WP_Importer::bump_request_timeout($val) in C:\xampp\htdocs\wordpress\wp-content\themes\bfastmag_pro\inc\admin\tp_importer\wordpress-importer.php on line 38
Failed to import Media “bfast-1”
Failed to import Media “woman-portrait-girl-color-90754-e1494713793952”
Failed to import Media “image-alignment-580×300”
Failed to import Media “image-alignment-150×150”
Failed to import Media “image-alignment-300×200”
Failed to import Media “pexels-photo-312925”
Failed to import Media “pexels-photo-322491”
Failed to import Media “pexels-photo-164749”
Failed to import Media “pexels-photo-235497-683×1024”
Failed to import Media “pexels-photo-397913-201×300”
Failed to import Media “pexels-photo-235462”
Failed to import Media “pexels-photo-327118”
Failed to import Media “24”
Failed to import Media “wallpaper-2853306”
Failed to import Media “pexels-photo-235527”
Failed to import Media “22”
Failed to import Media “4556911528_4488efdd09_o”
Failed to import Media “pexels-photo-273037”
Failed to import Media “pexels-photo-261134”
Failed to import Media “wallpaper-2969701”
Failed to import Media “wallpaper-2952319”
Failed to import Media “portrait-woman-girl-blond-157967”
Failed to import Media “wallpaper-2970153”
Failed to import Media “4191705589_e8ffb9dcfe_o”
Failed to import Media “5946842685_ef334b0372_o”
Failed to import Media “pexels-photo-312925 (1)”
Failed to import Media “bfast_white”
Failed to import Media “46df469fe889ce5b252c36e57f982f57”
Failed to import Media “a-d-v-300”
Failed to import Media “760x380_7”
Failed to import Media “Gym people in a yoga class”
Failed to import Media “head-to-knee”
Failed to import Media “yoga-med”
Failed to import Media “Group of children doing yoga”
Failed to import Media “wout”
Failed to import Media “nss”
Failed to import Media “bodybuilder”
Failed to import Media “gadegets”
Failed to import Media “gadegets”
Failed to import Media “gadegets”
Failed to import Media “fut”
Failed to import Media “future”
Failed to import Media “beach”
Failed to import Media “fashi-girl”
Failed to import Media “niail”
Failed to import Media “niail”
Failed to import Media “Girl-Happy-In-Rain”
Failed to import Media “1”
Failed to import Media “68aecc196d9f0d49a064c0abcb26a8ec”
Failed to import Media “275281-frederika”
Failed to import Media “o-KIDS-BEACH-facebook”
Failed to import Media “dsd”
Failed to import Media “sd”
Failed to import Media “personal-trainer_main”
Failed to import Media “hair”
Failed to import Media “IMG_hair_model”
Failed to import Media “IMG_hair_model”
Failed to import Media “IMG_hair_model”
Failed to import Media “lexus-austin-skyline-edited”
Failed to import Media “lexus-austin-skyline-edited”
Custom CSS “fastivemag” already exists.
Failed to import Media “high-speed-commuter-train”
Failed to import Media “754”
Failed to import Media “dims”
Failed to import Media “qmO8ZLf4”
Failed to import Media “hu wactch 2”
Failed to import Media “metro-train-in-station”
Failed to import Media “ama-ad–v”
Failed to import Media “300xx250”
Page “Sample Page” already exists.
Post “Awesome Typography Elements” already exists.
Post “Sound Cloud Audio Post” already exists.
Post “A Big Featured Image Post Format” already exists.
Post “Simple Post with Normal Content” already exists.
Post “Article Post With Image in Content” already exists.
Post “Jetpack Tiled Gallery Carousel Images” already exists.
Page “Home All Styles” already exists.
Post “8 Yoga poses that can help with Fit Everyday” already exists.
Post “5 Kid-Friendly Yoga Poses That Will Open Minds” already exists.
Post “Best Family Beach Vacations to Have Fun” already exists.
Post “Top 10 Quick Daily Health Tips” already exists.
Post “8 Hair Mistakes You’re Probably Making” already exists.
Page “Home All Sections” already exists.
Page “Home All Sections Full” already exists.
Page “Home Blog Styles” already exists.
Page “Home Large grid” already exists.
Page “Home Full Carousels” already exists.
Page “” already exists.
Post “Gallery Post Format” already exists.
Post “Stylish Gallery With Multiple Styles” already exists.
Post “Featured Image Post” already exists.
Post “5 Meditation Practices You Need to Know About” already exists.
Post “Stay Healthy, Active and Happy as a Single Mom” already exists.
Post “5 Healthy Living Tips for Young Men to Stay Healthy” already exists.
Post “5 gadgets to enhance your smartphone’s efficiency” already exists.
Post “10 Cool Concept Gadgets For A Brighter Future” already exists.
Post “Top 10 List of emerging technologies” already exists.
Post “6 Beach Outfits for the Hottest Destinations of 2017” already exists.
Post “How to find the Best and Right SPF for your face?” already exists.
Post “12 Awesome Nail Art Ideas to Try This Summer out” already exists.
Post “5 Tips for Starting a Healthy Lifestyle” already exists.
Post “Two Yoga Apparel Brands to Have on Your Radar” already exists.
Post “?6 Things To Know Before Hiring A Personal Trainer” already exists.
Post “Everything You Need To Know About Styling Hair” already exists.
Post “Texas explicitly allows driverless car tests” already exists.
Post “France Wants Autonomous Trains” already exists.
Post “Apple’s new iPad Pro is the best it has ever made” already exists.
Post “Huawei’s Sporty Watch 2 is a Real Winner” already exists.
Post “Hello world!” already exists.
Post “YouTube Video Post Format” already exists.
Post “Big Featured Image for Single Post” already exists.
Post “Left Sidebar Single Post Example” already exists.
Post “FullScreen Background Image Post” already exists.
Post “Featured Image Withe Standard Content Post” already exists.
Post “Post With Short Excerpt Content” already exists.
Post “WordPress Gallery Images Format” already exists.
Post “Another Image Format Post” already exists.
Post “Aenean Commodo Ligula” already exists.
Post “Post With HTML Elements Design” already exists.
Post “Image Post format Single Post” already exists.
Post “Single Post Sample Content” already exists.
Post “Common Tags Used in Content” already exists.
Post “Hello world!” already exists.
Post “Hello” already exists.
All done. Have fun!
Remember to update the passwords and roles of imported users.
Warning: Illegal string offset ‘bfastmag-sidebar’ in C:\xampp\htdocs\wordpress\wp-content\themes\bfastmag_pro\inc\admin\tp_importer\tp-importer.php on line 324
Warning: Illegal string offset ‘bfastmag-sidebar’ in C:\xampp\htdocs\wordpress\wp-content\themes\bfastmag_pro\inc\admin\tp_importer\tp-importer.php on line 329
Fatal error: Uncaught Error: Cannot use string offset as an array in C:\xampp\htdocs\wordpress\wp-content\themes\bfastmag_pro\inc\admin\tp_importer\tp-importer.php:329 Stack trace: #0 C:\xampp\htdocs\wordpress\wp-content\themes\bfastmag_pro\inc\admin\tp_importer\tp-importer.php(289): tpcrn_addwidget_to_sbar(‘bfastmag-sideba…’, ‘tp_search_widge…’, 0, Array) #1 C:\xampp\htdocs\wordpress\wp-content\themes\bfastmag_pro\inc\admin\tp_importer\tp-importer.php(398): tpcrn_set_demo_data() #2 C:\xampp\htdocs\wordpress\wp-includes\class-wp-hook.php(298): tpcrn_install_demo_data(”) #3 C:\xampp\htdocs\wordpress\wp-includes\class-wp-hook.php(323): WP_Hook->apply_filters(”, Array) #4 C:\xampp\htdocs\wordpress\wp-includes\plugin.php(453): WP_Hook->do_action(Array) #5 C:\xampp\htdocs\wordpress\wp-admin\admin.php(222): do_action(‘bfastmag-pro_pa…’) #6 {main} thrown in C:\xampp\htdocs\wordpress\wp-content\themes\bfastmag_pro\inc\admin\tp_importer\tp-importer.php on line 329