I have a similar problem with 15.0.16.72 (raspbx latest version of FreePBX). I only found it when tracing another issue. Every single minute on the minute I get the following logged in /var/log/asterisk/freepbx.log
[2020-Sep-04 00:08:02] [freepbx.INFO]: Depreciated Function module_getinfo detected in /var/www/html/admin/modules/cxpanel/functions.inc.php on line 71 [] []
[2020-Sep-04 00:08:02] [freepbx.INFO]: Depreciated Function module_getinfo detected in /var/www/html/admin/modules/cxpanel/functions.inc.php on line 80 [] []
[2020-Sep-04 00:08:03] [freepbx.INFO]: Deprecated way to add Console commands for module api, adding console commands this way can have negative performance impacts. Please use module.xml. See: https://wiki.freepbx.org/display/FOP/Adding+fwconsole+commands [] []
[2020-Sep-04 00:08:03] [freepbx.INFO]: Deprecated way to add Console commands for module backup, adding console commands this way can have negative performance impacts. Please use module.xml. See: https://wiki.freepbx.org/display/FOP/Adding+fwconsole+commands [] []
[2020-Sep-04 00:08:03] [freepbx.INFO]: Deprecated way to add Console commands for module voicemail, adding console commands this way can have negative performance impacts. Please use module.xml. See: https://wiki.freepbx.org/display/FOP/Adding+fwconsole+commands [] []
[2020-Sep-04 00:09:02] [freepbx.INFO]: Depreciated Function module_getinfo detected in /var/www/html/admin/modules/cxpanel/functions.inc.php on line 71 [] []
[2020-Sep-04 00:09:03] [freepbx.INFO]: Depreciated Function module_getinfo detected in /var/www/html/admin/modules/cxpanel/functions.inc.php on line 80 [] []
[2020-Sep-04 00:09:03] [freepbx.INFO]: Deprecated way to add Console commands for module api, adding console commands this way can have negative performance impacts. Please use module.xml. See: https://wiki.freepbx.org/display/FOP/Adding+fwconsole+commands [] []
[2020-Sep-04 00:09:03] [freepbx.INFO]: Deprecated way to add Console commands for module backup, adding console commands this way can have negative performance impacts. Please use module.xml. See: https://wiki.freepbx.org/display/FOP/Adding+fwconsole+commands [] []
[2020-Sep-04 00:09:03] [freepbx.INFO]: Deprecated way to add Console commands for module voicemail, adding console commands this way can have negative performance impacts. Please use module.xml. See: https://wiki.freepbx.org/display/FOP/Adding+fwconsole+commands [] []