Export doesn’t work

Hi everyone,
just got word from my design partner, that he tried to export the website from our dev-system but it doesn’t work.
Error message is just “App could not be loaded”
Here is the system info:

					
== Server Environment ==
	Operating System: Linux
	Software: Apache/2.4.52 (Ubuntu)
	MySQL version: (Ubuntu) v8.0.33
	PHP Version: 8.1.2-1ubuntu2.11
	PHP Memory Limit: 2048M
	PHP Max Input Vars: 50000
	PHP Max Post Size: 8M
	GD Installed: Yes
	ZIP Installed: Yes
	Write Permissions: All right
	Elementor Library: Connected

== WordPress Environment ==
	Version: 6.2.2
	Site URL: CENSORED
	Home URL: CENSORED
	WP Multisite: No
	Max Upload Size: 2 MB
	Memory limit: 40M
	Max Memory limit: 2048M
	Permalink Structure: /%year%/%monthnum%/%day%/%postname%/
	Language: en-US
	Timezone: Europe/Berlin
	Admin Email: CENSORED
	Debug Mode: Inactive

== Theme ==
	Name: Astra
	Version: 4.1.5
	Author: Brainstorm Force
	Child Theme: No

== User ==
	Role: administrator
	WP Profile lang: de_DE
	User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0

== Active Plugins ==
	Elementor
		Version: 3.13.4
		Author: Elementor.com

	Elementor Header & Footer Builder
		Version: 1.6.14
		Author: Brainstorm Force, Nikhil Chavan

	Essential Addons for Elementor
		Version: 5.7.4
		Author: WPDeveloper


== Must-Use Plugins ==
	Health Check Troubleshooting Mode
		Version: 1.9.0
		Author: 


== Elements Usage ==
	
	page : 7
		button : 34
		google_maps : 3
		heading : 71
		icon-box : 99
		image : 11
		image-gallery : 1
		spacer : 12
		text-editor : 25
	wp-post : 0
		button : 2
		google_maps : 1
		heading : 3
		text-editor : 3
	wp-page : 13
		button : 22
		divider : 1
		eael-event-calendar : 1
		google_maps : 1
		heading : 42
		icon-box : 38
		image : 4
		image-gallery : 2
		spacer : 7
		text-editor : 19
		toggle : 1


== Settings ==
	
	allow_tracking: yes
	font_display: swap


== Elementor Experiments ==
	Optimized DOM Output: Active by default
	Improved Asset Loading: Active by default
	Improved CSS Loading: Active by default
	Inline Font Icons: Inactive by default
	Accessibility Improvements: Active by default
	Additional Custom Breakpoints: Active by default
	admin_menu_rearrangement: Inactive by default
	Flexbox Container: Inactive by default
	Upgrade Swiper Library: Active by default
	Grid Container: Inactive by default
	Editor Top Bar: Inactive by default
	Landing Pages: Active by default
	Nested Elements: Inactive by default
	Lazy Load Background Images: Inactive by default


== Log ==
	


== Elementor - Compatibility Tag ==
	
	Elementor Header & Footer Builder: Compatible
	Essential Addons for Elementor: Compatible
				

I confirmed that this is not a system specific bug by using a completely different and fresh WordPress instance hosted by Ionos and just installing Elementor. Same problem there.

Browser console outputs

TypeError: a[(a.length - 1)] is undefined

Any help would be appreciated!

Yours
john2151