Template import not working

While importing I am seeing this error.
https://prnt.sc/vo9thu

System Info:

== Server Environment ==
Operating System: Linux
Software: nginx/1.17.5
MySQL version: mariadb.org binary distribution v5.7.31
PHP Version: 7.3.22-1+ubuntu16.04.1+deb.sury.org+1
PHP Max Input Vars: 10000
PHP Max Post Size: 2000M
GD Installed: Yes
ZIP Installed: Yes
Write Permissions: All right
Elementor Library: Connected

== WordPress Environment ==
Version: 5.5.3
Site URL: https://rok-event.com
Home URL: https://rok-event.com
WP Multisite: No
Max Upload Size: 2 GB
Memory limit: 256M
Permalink Structure: /%year%/%monthnum%/%day%/%postname%/
Language: en-US
Timezone: 0
Debug Mode: Inactive

== Theme ==
Name: Astra Child
Version: 1.0.0
Author: Brainstorm Force
Child Theme: Yes
Parent Theme Name: Astra
Parent Theme Version: 2.6.1
Parent Theme Author: Brainstorm Force

== User ==
Role: administrator
WP Profile lang: de_DE
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36

== Active Plugins ==
Advanced Editor Tools (previously TinyMCE Advanced)
Version: 5.5.1
Author: Automattic

Astra Pro
Version: 2.7.1
Author: Brainstorm Force

Autoptimize
Version: 2.7.8
Author: Frank Goossens (futtta)

Cookie Notice
Version: 1.3.2
Author: dFactory

Dynamic Animations for Elementor
Version: 1.0.0
Author: Dynamic.ooo

Elementor
Version: 3.0.13
Author: Elementor.com

Elementor Addon Elements
Version: 1.7.2
Author: WP Vibes

Elementor Pro
Version: 3.0.6
Author: Elementor.com

Envato Elements
Version: 2.0.7
Author: Envato

Google Analytics Dashboard for WP (GADWP)
Version: 6.3.0
Author: ExactMetrics

Popup Maker WP
Version: 1.2.3.7
Author: Popup Maker

UpdraftPlus – Backup/Restore
Version: 1.16.36
Author: UpdraftPlus.Com, DavidAnderson

WP File Manager
Version: 6.9
Author: mndpsingh287

WP phpMyAdmin
Version: 5.0.4.1
Author: Puvox.software

Yoast Duplicate Post
Version: 3.2.6
Author: Enrico Battocchi & Team Yoast

== Must-Use Plugins ==
Elementor Safe Mode
Version: 1.0.0
Author: Elementor.com

== Elements Usage ==

footer : 1
text-editor : 2
page : 17
button : 56
divider : 129
eae-timeline : 8
global : 38
google_maps : 11
heading : 407
icon : 24
icon-list : 111
image : 258
image-carousel : 10
price-table : 51
social-icons : 10
spacer : 730
testimonial-carousel : 16
text-editor : 382
toggle : 24
video : 10
popup : 8
button : 1
divider : 1
form : 6
heading : 10
image : 8
spacer : 14
text-editor : 15
section : 17
button : 3
countdown : 1
divider : 7
eae-timeline : 2
global : 4
heading : 17
icon-list : 3
image : 13
image-carousel : 1
price-table : 3
spacer : 30
text-editor : 25
toggle : 2
video : 1
single : 1
heading : 2
icon-list : 1
text-editor : 1
widget : 0
button : 157
wp-post : 0
button : 92
countdown : 10
divider : 63
eae-timeline : 1
google_maps : 1
heading : 155
icon : 8
icon-list : 56
image : 117
image-carousel : 1
price-table : 6
social-icons : 1
spacer : 392
testimonial-carousel : 11
text-editor : 253
toggle : 4
video : 1
wp-page : 18
button : 1
countdown : 1
form : 1
global : 1
heading : 1
icon-list : 1
spacer : 7
text-editor : 2
video : 1

== Log ==

Log: showing 20 of 412020-08-27 01:49:56 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.1’,
‘to’ => ‘3.0.2’,
)]
2020-08-28 01:48:30 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.2’,
‘to’ => ‘3.0.3’,
)]
2020-08-28 01:48:44 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor Pro’,
‘from’ => ‘2.9.4’,
‘to’ => ‘2.10.3’,
)]
2020-08-30 03:49:43 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor Pro’,
‘from’ => ‘2.10.3’,
‘to’ => ‘3.0.1’,
)]
2020-08-31 05:15:48 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.3’,
‘to’ => ‘3.0.4’,
)]
2020-09-01 05:16:01 [info] elementor::elementor_updater Started
2020-09-01 05:16:01 [info] Elementor/Upgrades – _v_3_0_5_re_move_space_between_widgets_to_kit Start
2020-09-01 05:16:01 [info] Elementor/Upgrades – _v_3_0_5_re_move_space_between_widgets_to_kit Finished
2020-09-01 05:16:01 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.4’,
‘to’ => ‘3.0.5’,
)]
2020-09-01 05:16:01 [info] Elementor data updater process has been queued. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.4’,
‘to’ => ‘3.0.5’,
)]
2020-09-01 05:16:16 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor Pro’,
‘from’ => ‘3.0.1’,
‘to’ => ‘3.0.2’,
)]
2020-09-07 01:42:41 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.5’,
‘to’ => ‘3.0.6’,
)]
2020-09-10 01:47:10 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.6’,
‘to’ => ‘3.0.7’,
)]
2020-09-15 01:43:24 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.7’,
‘to’ => ‘3.0.8.1’,
)]
2020-09-18 01:45:26 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.8.1’,
‘to’ => ‘3.0.9’,
)]
2020-09-24 01:48:17 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.9’,
‘to’ => ‘3.0.10’,
)]
2020-10-01 01:45:32 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.10’,
‘to’ => ‘3.0.11’,
)]
2020-10-21 01:45:47 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.11’,
‘to’ => ‘3.0.12’,
)]
2020-11-05 02:49:22 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.12’,
‘to’ => ‘3.0.13’,
)]
2020-11-06 04:06:45 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor Pro’,
‘from’ => ‘3.0.2’,
‘to’ => ‘3.0.6’,
)]

PHP: showing 1 of 1PHP: 2020-04-08 22:08:03 [notice X 30][/home/wp/disk/wordpress/wp-content/plugins/elementor/includes/managers/image.php::117] Trying to get property ‘post_title’ of non-object [array (
‘trace’ => ‘
#0: Elementor\Core\Logger\Manager -> shutdown()
‘,
)]

JS: showing 1 of 1JS: 2020-10-29 10:54:44 [error X 1][https://rok-event.com/wp-content/plugins/elementor/assets/js/editor.min.js?ver=3.0.12:2:474643] Cannot read property \’document\’ of undefined