3.6.1 - error message if no priv. intents granted

Author: fourjr

CHANGELOG.md

@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 This project mostly adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html);
 however, insignificant breaking changes do not guarantee a major version bump, see the reasoning [here](https://github.com/kyb3r/modmail/issues/319). If you're a plugins developer, note the "BREAKING" section.
 
+# v3.6.1
+
+### Added
+
+- Proper error message if privileged intents not explicitly granted to bot.
+
+
 # v3.6.0
 
 ### Added
@@ -29,6 +36,7 @@ however, insignificant breaking changes do not guarantee a major version bump, s
 - Explicitly state intents used for connection
 - Use `--diff` for black CI instead of `--check` ([GH#2816](https://github.com/kyb3r/modmail/issues/2816))
 
+
 # v3.5.0
 
 Fixed discord.py issue.

bot.py

@@ -167,6 +167,8 @@ def run(self, *args, **kwargs):
             pass
         except discord.LoginFailure:
             logger.critical("Invalid token")
+        except discord.PrivilegedIntentsRequired:
+            logger.critical('Privileged intents are not explicitly granted in the discord developers dashboard.')
         except Exception:
             logger.critical("Fatal exception", exc_info=True)
         finally: