diff --git a/src/sshare/logger.py b/src/sshare/logger.py
index 7901d4c..60d804c 100644
--- a/src/sshare/logger.py
+++ b/src/sshare/logger.py
@@ -18,15 +18,12 @@ from sshare.plugin import Plugin
 
 class Logger:
     def __init__(self, *args, **kwargs):
-        if kwargs.get("command_line"):
-            self._loggers = [ kwargs["command_line"] ]
-        else:
-            self._loggers = []
+        self._loggers = []
         self.add(*args)
 
     def add(self, *args, **kwargs):
         for logger in args:
-            self._loggers.append()
+            self._loggers.append(logger)
 
     def info(self, message):
         for logger in self._loggers:
diff --git a/src/sshare/main.py b/src/sshare/main.py
index cb0812d..dd071ac 100644
--- a/src/sshare/main.py
+++ b/src/sshare/main.py
@@ -67,9 +67,10 @@ def main():
         config["config"],
         config["flags"],
     )
-    logger = Logger(command_line=command_line)
+    logger = Logger(command_line)
+    plugin_types = [ "logger", "source", "name", "upload", "location", "feedback" ]
     plugins = PluginManager(
-        [ "logger", "source", "name", "upload", "location", "feedback" ],
+        plugin_types,
         logger,
         config["config"],
         config["flags"],
@@ -99,6 +100,16 @@ def main():
     logger.add(*plugins.logger.active)
     plugins.activate()
 
+    for plugin_type in [ "source", "name", "upload" ]:
+        plugins_of_type = getattr(plugins, plugin_type)
+        if len(plugins_of_type.active) == 0:
+            logger.error(f"Error: No '{plugin_type}' plugins activated. Available plugins:")
+            for plugin in plugins_of_type.inactive:
+                logger.error(f" => {plugin.name}")
+            sys.exit(1)
+    if len(plugins.location.active) == 0 and len(plugins.feedback.active) > 0:
+        logger.warn("Warning: 'feedback' plugins activated with no active 'location' plugins")
+
     sources = []
     for plugin in plugins.source.active:
         sources.append(plugin.get_source())
diff --git a/src/sshare/plugins/default/current_time.py b/src/sshare/plugins/default/current_time.py
index 03c1692..062ff86 100644
--- a/src/sshare/plugins/default/current_time.py
+++ b/src/sshare/plugins/default/current_time.py
@@ -22,9 +22,6 @@ plugin_type = "name"
 config = {
     "base": 62,
 }
-args = {
-    "base": Argument(help="Set the numeric base to use for the current time"),
-}
 
 def init():
     if not isinstance(config.base, int):