Hello! Is there someone who can help me? Radiusd starting failed, google can not help me. FreeRADIUS Version 3.0.13 Centos 7.6.1810 radiusd -X output: ... Debugger not attached radiusd: #### Instantiating modules #### modules { # Loaded module rlm_python # Loading module "python" from file /etc/raddb/radiusd.conf python { <internal>[73]: Reference "${.module}" not found /etc/raddb/radiusd.conf[73]: Failed expanding variable mod_instantiate /etc/raddb/radiusd.conf[73]: Invalid configuration for module "python" radiusd.conf: ... modules { python { python_path = /usr/lib64/python2.7 mod_authorize = radius func_authorize = authorize mod_accounting = radius func_accounting = accounting mod_preacct = radius func_preacct = preacct mod_postauth = radius func_postauth = postauth } ... python file: /usr/lib64/python2.7/radius.py I can not understand what happened. Same conf works on other servers. I can not find difference. Any suggestions? Sorry if something wrong - I am not native speaker and first time with mailing lists.