Marker Cluster stopped working after last update

Hi,

The Marker Cluster stopped working after last update.

Please advise!
https://nocowanienajurze.pl/

### WordPress Environment ###

Home URL: https://nocowanienajurze.pl
Site URL: https://nocowanienajurze.pl
GD Version: 2.0.0.61
WP Version: 5.2.1
WP Multisite: –
WP Memory Limit: 256 MB
WP Debug Mode: –
WP Cron: ✔
Language: pl_PL

### Server Environment ###

Server Info: IdeaWebServer/0.83.213 (like Apache)
PHP Version: 7.0.33
PHP Post Max Size: 64 MB
PHP Time Limit: 30
PHP Max Input Vars: 1000
cURL Version: 7.53.1
OpenSSL/1.0.2k

SUHOSIN Installed: –
MySQL Version: 5.7.24
Max Upload Size: 64 MB
Default Timezone is UTC: ✔
fsockopen/cURL: ✔
SoapClient: ✔
DOMDocument: ✔
GZip: ✔
Multibyte String: ✔
Remote Post: ✔
Remote Get: ✔

### User platform ###

Platform: Windows
Browser name: Chrome
Browser version: 74.0.3729.169
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML
like Gecko) Chrome/74.0.3729.169 Safari/537.36

### Settings ###

API Enabled: ✔
Max upload file size(in mb): 2
New listing default status: pending
Google Maps API KEY: ✔
Set default location: ✔

### Database ###

GD Database Version: 2.0.0.61
GD Database Prefix: wp_
Total Database Size: 3.31MB
Database Data Size: 2.66MB
Database Index Size: 0.65MB
wp_geodir_api_keys: Data: 0.02MB + Index: 0.03MB
wp_geodir_attachments: Data: 0.19MB + Index: 0.00MB
wp_geodir_business_hours: Data: 0.02MB + Index: 0.00MB
wp_geodir_custom_fields: Data: 0.02MB + Index: 0.00MB
wp_geodir_custom_sort_fields: Data: 0.02MB + Index: 0.00MB
wp_geodir_post_review: Data: 0.02MB + Index: 0.02MB
wp_geodir_gd_place_detail: Data: 0.02MB + Index: 0.05MB
wp_geodir_gd_event_detail: Data: 0.02MB + Index: 0.05MB
wp_countries: Data: 0.08MB + Index: 0.00MB
wp_commentmeta: Data: 0.02MB + Index: 0.03MB
wp_comments: Data: 0.02MB + Index: 0.08MB
wp_geodir_cp_link_posts: Data: 0.02MB + Index: 0.02MB
wp_geodir_custom_advance_search_fields: Data: 0.02MB + Index: 0.00MB
wp_geodir_event_schedule: Data: 0.02MB + Index: 0.00MB
wp_geodir_location_seo: Data: 0.02MB + Index: 0.00MB
wp_geodir_post_locations: Data: 0.02MB + Index: 0.00MB
wp_geodir_post_neighbourhood: Data: 0.02MB + Index: 0.00MB
wp_geodir_tabs_layout: Data: 0.02MB + Index: 0.00MB
wp_geodir_term_meta: Data: 0.02MB + Index: 0.00MB
wp_links: Data: 0.02MB + Index: 0.02MB
wp_ms_snippets: Data: 0.02MB + Index: 0.00MB
wp_nf3_actions: Data: 0.02MB + Index: 0.00MB
wp_nf3_action_meta: Data: 0.05MB + Index: 0.00MB
wp_nf3_chunks: Data: 0.02MB + Index: 0.00MB
wp_nf3_fields: Data: 0.02MB + Index: 0.00MB
wp_nf3_field_meta: Data: 0.06MB + Index: 0.00MB
wp_nf3_forms: Data: 0.02MB + Index: 0.00MB
wp_nf3_form_meta: Data: 0.05MB + Index: 0.00MB
wp_nf3_objects: Data: 0.02MB + Index: 0.00MB
wp_nf3_object_meta: Data: 0.02MB + Index: 0.00MB
wp_nf3_relationships: Data: 0.02MB + Index: 0.00MB
wp_nf3_upgrades: Data: 0.08MB + Index: 0.00MB
wp_options: Data: 1.03MB + Index: 0.02MB
wp_postmeta: Data: 0.14MB + Index: 0.06MB
wp_posts: Data: 0.25MB + Index: 0.06MB
wp_snippets: Data: 0.02MB + Index: 0.00MB
wp_termmeta: Data: 0.02MB + Index: 0.03MB
wp_terms: Data: 0.02MB + Index: 0.03MB
wp_term_relationships: Data: 0.02MB + Index: 0.02MB
wp_term_taxonomy: Data: 0.02MB + Index: 0.03MB
wp_usermeta: Data: 0.02MB + Index: 0.03MB
wp_users: Data: 0.02MB + Index: 0.05MB
wp_yoast_seo_links: Data: 0.05MB + Index: 0.02MB
wp_yoast_seo_meta: Data: 0.02MB + Index: 0.00MB

### Post Type Counts ###

attachment: 75
customize_changeset: 2
gd_event: 6
gd_place: 23
nav_menu_item: 22
nf_sub: 1
page: 15
post: 8
revision: 9
wp_block: 1

### Security ###

Secure connection (HTTPS): ✔
Hide errors from visitors: ✔

### Active Plugins (18) ###

All-in-One WP Migration: by ServMask – 6.96 – Network enabled
Code Snippets: by Shea Bunge – 2.13.3
GeoDirectory Google Analytics: by GeoDirectory – 2.0.0.3
GeoDirectory Advanced Search Filters: by AyeCode Ltd – 2.0.0.11
GeoDirectory Map Styles: by GeoDirectory – 2.0.0.2
GeoDirectory Custom Post Types: by AyeCode Ltd – 2.0.0.12
GeoDirectory Events: by AyeCode Ltd – 2.0.0.9
GeoDirectory Location Manager: by AyeCode Ltd – 2.0.0.17
GeoDirectory Marker Cluster: by AyeCode Ltd – 2.0.0.2
GeoDirectory: by AyeCode Ltd – 2.0.0.61
Google Language Translator: by Rob Myrick – 5.0.48
Maintenance: by fruitfulcode – 3.6.1
Ninja Forms: by WP Ninjas – 3.4.13
GDPR Cookie Consent Banner: by termly – 2.3.14
UpdraftPlus - Kopia/przywracanie: by UpdraftPlus.Com
DavidAnderson – 1.16.15

Yoast SEO: by Zespół Yoast – 11.3
WP Easy Updates: by AyeCode Ltd – 1.1.9
WP Super Cache: by Automattic – 1.6.7

### GD Pages ###

Location page: #14 - /location/
Add listing page: #11 - /add-listing/
Search Page: #12 - /search/
Terms and Conditions page: #13 - /regulamin/
Archive page: #15 - /gd-archive/
Details Page: #17 - /gd-details/

### Theme ###

Name: Supreme Directory
Version: 2.0.0.8
Author URL: https://wpgeodirectory.com/
Child Theme: ✔
Parent Theme Name: Directory Starter
Parent Theme Version: 2.0.0.7
Parent Theme Author URL: https://wpgeodirectory.com/
GeoDirectory Support: ✔

### Templates ###

Overrides: –