credentials issue

cogs/roles.py

@@ -48,7 +48,6 @@ COLOR_PRESETS: dict[str, int] = {
 PANEL_TEXT = (
     "**custom roles**\n\n"
     "you can give yourself a role with your own name and color. "
-    "it's purely decorative — no permissions, just looks.\n\n"
     "click the button below and the bot will message you to set it up."
 )
 

cogs/statchannel.py

@@ -5,9 +5,16 @@ import os
 class StatChannel(commands.Cog):
     def __init__(self, bot):
         self.bot = bot
-        self.channel_id = int(os.getenv('STRINOVA_STAT_CHANNEL_ID'))
-        self.channel_id_mao = int(os.getenv('STRINOVA_STAT_CHANNEL_ID_MAO'))
+
+        def _parse_id(key: str) -> int | None:
+            val = os.getenv(key, "")
+            return int(val) if val.isdigit() else None
+
+        self.channel_id     = _parse_id('STRINOVA_STAT_CHANNEL_ID')
+        self.channel_id_mao = _parse_id('STRINOVA_STAT_CHANNEL_ID_MAO')
+
         self.update_stat.start()
+        if self.channel_id_mao is not None:
             self.update_stat_mao.start()
 
     def cog_unload(self):