fix(moderation): added logging and error handling for the connect method

moderation/moderation.py

@@ -41,13 +41,17 @@ class Moderation(commands.Cog):
         ])
         if conf:
             raise LookupError
-        connection = mysql.connector.connect(
-            host=await self.config.mysql_address(),
-            user=await self.config.mysql_user(),
-            password=await self.config.mysql_password(),
-            database=await self.config.mysql_db()
-        )
-        return connection
+        try:
+            connection = mysql.connector.connect(
+                host=await self.config.mysql_address(),
+                user=await self.config.mysql_user(),
+                password=await self.config.mysql_password(),
+                database=await self.config.mysql_db()
+            )
+            return connection
+        except mysql.connector.ProgrammingError as e:
+            logging.fatal("Unable to access the MySQL database!\nError:\n%s", e)
+            return e
 
     async def create_guild_table(self, guild: discord.Guild):
         database = await self.connect()