theme builder

After updating Elementor to the version 3, I can go to the screen of theme builder but after clicking on it appears an error window with the message “Theme Builder could not be loaded”

I changed the theme, rebuild css and sync library, activated the safe mode but still same issue

== Server Environment ==
Operating System: Linux
Software: Apache
MySQL version: Percona Server (GPL), Release 23, Revision 500fcf5 v5.7.23-23
PHP Version: 7.2.33
PHP Max Input Vars: 1000
PHP Max Post Size: 6540M
GD Installed: Yes
ZIP Installed: Yes
Write Permissions: All right
Elementor Library: Connected

== WordPress Environment ==
Version: 5.1.6
Site URL: https://lmestudio.com
Home URL: https://lmestudio.com
WP Multisite: No
Max Upload Size: 6 GB
Memory limit: 6540M
Permalink Structure: /%year%/%monthnum%/%day%/%postname%/
Language: en-US
Timezone: 0
Debug Mode: Inactive

== Theme ==
Name: Twenty Sixteen
Version: 1.6
Author: the WordPress team
Child Theme: No

== User ==
Role: administrator
WP Profile lang: en_US
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36 OPR/70.0.3728.106

== Active Plugins ==
Elementor
Version: 3.0.2
Author: Elementor.com

Elementor Pro
Version: 3.0.1
Author: Elementor.com

WP Cerber Security, Anti-spam & Malware Scan
Version: 8.6.7
Author: Cerber Tech Inc.

== Elements Usage ==

wp-post : 0
heading : 1
image : 1

== Log ==

Log: showing 20 of 412020-08-13 07:09:24 [info] Elementor/Upgrades – _v_2_7_1_remove_old_usage_data Start
2020-08-13 07:09:24 [info] Elementor/Upgrades – _v_2_7_1_remove_old_usage_data Finished
2020-08-13 07:09:24 [info] Elementor/Upgrades – _v_2_7_1_recalc_usage_data Start
2020-08-13 07:09:24 [info] Elementor/Upgrades – _v_2_7_1_recalc_usage_data Finished
2020-08-13 07:09:25 [info] Elementor/Upgrades – _v_2_8_3_recalc_usage_data Start
2020-08-13 07:09:25 [info] Elementor/Upgrades – _v_2_8_3_recalc_usage_data Finished
2020-08-13 07:09:25 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘2.9.11’,
‘to’ => ‘3.0.0-beta5’,
)]
2020-08-27 03:56:30 [info] Elementor data updater process has been queued. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.0-beta5’,
‘to’ => ‘3.0.2’,
)]
2020-08-27 03:56:31 [info] elementor::elementor_updater Started
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_general_settings_to_kit Start
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_general_settings_to_kit Finished
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_default_colors_to_kit Start
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_default_colors_to_kit Finished
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_saved_colors_to_kit Start
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_saved_colors_to_kit Finished
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_default_typography_to_kit Start
2020-08-27 03:56:31 [info] Elementor/Upgrades – _v_3_0_0_move_default_typography_to_kit Finished
2020-08-27 03:56:31 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor’,
‘from’ => ‘3.0.0-beta5’,
‘to’ => ‘3.0.2’,
)]
2020-08-27 03:56:36 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor Pro’,
‘from’ => ‘3.0.0-beta2’,
‘to’ => ‘3.0.0’,
)]
2020-08-27 04:07:40 [info] Elementor data updater process has been completed. [array (
‘plugin’ => ‘Elementor Pro’,
‘from’ => ‘3.0.0’,
‘to’ => ‘3.0.1’,
)]

PHP: showing 1 of 1PHP: 2020-08-13 06:51:55 [notice X 20][/home4/lmestudi/public_html/wp-content/plugins/elementor/core/common/modules/ajax/module.php::171] Undefined index: data [array (
‘trace’ => ‘
#0: Elementor\Core\Logger\Manager -> shutdown()
‘,
)]

`
</details>

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