Unable to export database

Hi, I have been pulling my hair for 24 hours no on how to fix this error. When exporting my wordpress from xampp I am always getting unable to export error when its trying to export the database.

Here’s the error log.

Aug 16 2022 22:57:16
{"type":1,"message":"Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php:113\nStack trace:\n#0 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php(113): mysqli_fetch_assoc(false)\n#1 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(1295): Ai1wm_Database_Mysqli->fetch_assoc(false)\n#2 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(840): Ai1wm_Database->get_create_table('wp_wfhoover')\n#3 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\model\\export\\class-ai1wm-export-database.php(155): Ai1wm_Database->export('D:\\\\xampp htdocs...', 0, 30, 0, 17934)\n#4 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\controller\\class-ai1wm-export-controller.php(70): Ai1wm_Export_Database::execute(Array)\n#5 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(307): Ai1wm_Export_Controller::export(Array)\n#6 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(331): WP_Hook->apply_filters('', Array)\n#7 D:\\xampp htdocs\\cakemeaway\\wp-includes\\plugin.php(476): WP_Hook->do_action(Array)\n#8 D:\\xampp htdocs\\cakemeaway\\wp-admin\\admin-ajax.php(187): do_action('wp_ajax_ai1wm_e...')\n#9 {main}\n  thrown","file":"D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php","line":113}

Aug 16 2022 22:57:19
{"type":1,"message":"Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php:113\nStack trace:\n#0 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php(113): mysqli_fetch_assoc(false)\n#1 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(1295): Ai1wm_Database_Mysqli->fetch_assoc(false)\n#2 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(840): Ai1wm_Database->get_create_table('wp_wfhoover')\n#3 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\model\\export\\class-ai1wm-export-database.php(155): Ai1wm_Database->export('D:\\\\xampp htdocs...', 0, 30, 0, 17934)\n#4 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\controller\\class-ai1wm-export-controller.php(70): Ai1wm_Export_Database::execute(Array)\n#5 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(307): Ai1wm_Export_Controller::export(Array)\n#6 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(331): WP_Hook->apply_filters('', Array)\n#7 D:\\xampp htdocs\\cakemeaway\\wp-includes\\plugin.php(476): WP_Hook->do_action(Array)\n#8 D:\\xampp htdocs\\cakemeaway\\wp-admin\\admin-ajax.php(187): do_action('wp_ajax_ai1wm_e...')\n#9 {main}\n  thrown","file":"D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php","line":113}

Aug 16 2022 22:57:24
{"type":1,"message":"Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php:113\nStack trace:\n#0 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php(113): mysqli_fetch_assoc(false)\n#1 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(1295): Ai1wm_Database_Mysqli->fetch_assoc(false)\n#2 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(840): Ai1wm_Database->get_create_table('wp_wfhoover')\n#3 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\model\\export\\class-ai1wm-export-database.php(155): Ai1wm_Database->export('D:\\\\xampp htdocs...', 0, 30, 0, 17934)\n#4 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\controller\\class-ai1wm-export-controller.php(70): Ai1wm_Export_Database::execute(Array)\n#5 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(307): Ai1wm_Export_Controller::export(Array)\n#6 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(331): WP_Hook->apply_filters('', Array)\n#7 D:\\xampp htdocs\\cakemeaway\\wp-includes\\plugin.php(476): WP_Hook->do_action(Array)\n#8 D:\\xampp htdocs\\cakemeaway\\wp-admin\\admin-ajax.php(187): do_action('wp_ajax_ai1wm_e...')\n#9 {main}\n  thrown","file":"D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php","line":113}

Aug 16 2022 22:57:28
{"type":1,"message":"Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php:113\nStack trace:\n#0 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php(113): mysqli_fetch_assoc(false)\n#1 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(1295): Ai1wm_Database_Mysqli->fetch_assoc(false)\n#2 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(840): Ai1wm_Database->get_create_table('wp_wfhoover')\n#3 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\model\\export\\class-ai1wm-export-database.php(155): Ai1wm_Database->export('D:\\\\xampp htdocs...', 0, 30, 0, 17934)\n#4 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\controller\\class-ai1wm-export-controller.php(70): Ai1wm_Export_Database::execute(Array)\n#5 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(307): Ai1wm_Export_Controller::export(Array)\n#6 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(331): WP_Hook->apply_filters('', Array)\n#7 D:\\xampp htdocs\\cakemeaway\\wp-includes\\plugin.php(476): WP_Hook->do_action(Array)\n#8 D:\\xampp htdocs\\cakemeaway\\wp-admin\\admin-ajax.php(187): do_action('wp_ajax_ai1wm_e...')\n#9 {main}\n  thrown","file":"D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php","line":113}

Aug 16 2022 22:57:33
{"type":1,"message":"Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php:113\nStack trace:\n#0 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php(113): mysqli_fetch_assoc(false)\n#1 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(1295): Ai1wm_Database_Mysqli->fetch_assoc(false)\n#2 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(840): Ai1wm_Database->get_create_table('wp_wfhoover')\n#3 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\model\\export\\class-ai1wm-export-database.php(155): Ai1wm_Database->export('D:\\\\xampp htdocs...', 0, 30, 0, 17934)\n#4 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\controller\\class-ai1wm-export-controller.php(70): Ai1wm_Export_Database::execute(Array)\n#5 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(307): Ai1wm_Export_Controller::export(Array)\n#6 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(331): WP_Hook->apply_filters('', Array)\n#7 D:\\xampp htdocs\\cakemeaway\\wp-includes\\plugin.php(476): WP_Hook->do_action(Array)\n#8 D:\\xampp htdocs\\cakemeaway\\wp-admin\\admin-ajax.php(187): do_action('wp_ajax_ai1wm_e...')\n#9 {main}\n  thrown","file":"D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php","line":113}

Aug 16 2022 22:57:39
{"type":1,"message":"Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php:113\nStack trace:\n#0 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php(113): mysqli_fetch_assoc(false)\n#1 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(1295): Ai1wm_Database_Mysqli->fetch_assoc(false)\n#2 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database.php(840): Ai1wm_Database->get_create_table('wp_wfhoover')\n#3 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\model\\export\\class-ai1wm-export-database.php(155): Ai1wm_Database->export('D:\\\\xampp htdocs...', 0, 30, 0, 17934)\n#4 D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\controller\\class-ai1wm-export-controller.php(70): Ai1wm_Export_Database::execute(Array)\n#5 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(307): Ai1wm_Export_Controller::export(Array)\n#6 D:\\xampp htdocs\\cakemeaway\\wp-includes\\class-wp-hook.php(331): WP_Hook->apply_filters('', Array)\n#7 D:\\xampp htdocs\\cakemeaway\\wp-includes\\plugin.php(476): WP_Hook->do_action(Array)\n#8 D:\\xampp htdocs\\cakemeaway\\wp-admin\\admin-ajax.php(187): do_action('wp_ajax_ai1wm_e...')\n#9 {main}\n  thrown","file":"D:\\xampp htdocs\\cakemeaway\\wp-content\\plugins\\all-in-one-wp-migration\\lib\\vendor\\servmask\\database\\class-ai1wm-database-mysqli.php","line":113}

I tried the method here https://help.servmask.com/2018/10/27/how-to-increase-maximum-upload-file-size-in-wordpress/ but the instructions is not very clear on the .htaccess and wp-config file. I tried to paste the code at the end of each file but it didnt work.

Please help.

Thanks a lot!