Warning / Error in the HTTP API calls tab

Hello, in the traditional WP Plugins screen, I see a warning coming from the QM tab “HTTP API calls”. It is related to a couple of custom plugins (so, not publicly available). What is QM trying to tell me? 🙂 Thanks in advance

1.

method GET

URL: https://api.wordpress.org/plugins/info/1.2/?action=plugin_information&request%5Bslug%5D=en-users-manager&request%5Bfields%5D%5Bshort_description%5D=1&request%5Bfields%5D%5Bicons%5D=1&request%5Blocale%5D=en_GB&request%5Bwp_version%5D=7.1

Status: 404 Not Found

IP Address: 2620:109:b00a::4206:2afb
DNS Resolution Time: 0.0000
Connection Time: 0.0957
Transfer Start Time (TTFB): 0.2926
Response Size: 0.03 KB
Response Content Type: application/json

Caller: plugins_api()
wp-admin/includes/plugin-install.php:168
WP_Plugin_Dependencies::get_dependency_api_data()
wp-includes/class-wp-plugin-dependencies.php:692
WP_Plugin_Dependencies::initialize()
wp-includes/class-wp-plugin-dependencies.php:124

Component: WordPress core

2.

method GET

URL: https://api.wordpress.org/plugins/info/1.2/?action=plugin_information&request%5Bslug%5D=en-send-email-on-user-deletion&request%5Bfields%5D%5Bshort_description%5D=1&request%5Bfields%5D%5Bicons%5D=1&request%5Blocale%5D=en_GB&request%5Bwp_version%5D=7.1

Status: 404 Not Found

IP Address: 2620:109:b00a::4206:2afb
DNS Resolution Time: 0.0000
Connection Time: 0.0933
Transfer Start Time (TTFB): 0.2889
Response Size: 0.03 KB
Response Content Type: application/json

Component: WordPress core