diff --git a/Robocop.py b/Robocop.py
index f79ad0b..2ef0c2e 100755
--- a/Robocop.py
+++ b/Robocop.py
@@ -104,9 +104,11 @@ async def on_error(event_method, *args, **kwargs):
 
 @bot.event
 async def on_command_error(ctx, error):
+    error_text = str(error)
+
     log.error(f"Error with \"{ctx.message.content}\" from "
               f"\"{ctx.message.author} ({ctx.message.author.id}) "
-              f"of type {type(error)}: {error}")
+              f"of type {type(error)}: {error_text}")
 
     if isinstance(error, commands.NoPrivateMessage):
         return await ctx.send("This command doesn't work on DMs.")
@@ -129,6 +131,13 @@ async def on_command_error(ctx, error):
         return await ctx.send(f"{ctx.author.mention}: Check failed. "
                               "You might not have the right permissions "
                               "to run this command.")
+    elif isinstance(error, commands.CommandInvokeError) and\
+            ("Cannot send messages to this user" in error_text):
+        return await ctx.send(f"{ctx.author.mention}: I can't DM you.\n"
+                              "You might have me blocked or have DMs "
+                              f"blocked globally or for {ctx.guild.name}.\n"
+                              "Please resolve that, then "
+                              "run the command again.")
     elif isinstance(error, commands.CommandNotFound):
         # Nothing to do when command is not found.
         return
diff --git a/cogs/admin.py b/cogs/admin.py
index 199b960..2f6b16e 100644
--- a/cogs/admin.py
+++ b/cogs/admin.py
@@ -13,9 +13,13 @@ class AdminCog:
         self.previous_eval_code = None
 
     def check_if_staff(ctx):
+        if not ctx.guild:
+            return False
         return any(r.id in config.staff_role_ids for r in ctx.author.roles)
 
     def check_if_bot_manager(ctx):
+        if not ctx.guild:
+            return False
         return any(r.id == config.bot_manager_role_id for r in ctx.author.roles)
 
     @commands.guild_only()
diff --git a/cogs/basic.py b/cogs/basic.py
index b74d94b..143708d 100644
--- a/cogs/basic.py
+++ b/cogs/basic.py
@@ -22,6 +22,7 @@ class Basic:
         await ctx.send(f"{targetuser.mention}: A link to the rules "
                        f"can be found here: {config.rules_url}")
 
+    @commands.guild_only()
     @commands.command()
     async def membercount(self, ctx):
         """Prints the member count of the server."""
diff --git a/cogs/lockdown.py b/cogs/lockdown.py
index d6c4055..9ce5ce5 100644
--- a/cogs/lockdown.py
+++ b/cogs/lockdown.py
@@ -8,6 +8,8 @@ class Lockdown:
         self.bot = bot
 
     def check_if_staff(ctx):
+        if not ctx.guild:
+            return False
         return any(r.id in config.staff_role_ids for r in ctx.author.roles)
 
     @commands.guild_only()
diff --git a/cogs/meme.py b/cogs/meme.py
index e2acaa7..9694aae 100644
--- a/cogs/meme.py
+++ b/cogs/meme.py
@@ -14,6 +14,8 @@ class Meme:
         self.bot = bot
 
     def check_if_staff_or_ot(ctx):
+        if not ctx.guild:
+            return True
         is_ot = (ctx.channel.name == "off-topic")
         is_staff = any(r.id in config.staff_role_ids for r in ctx.author.roles)
         return (is_ot or is_staff)
diff --git a/cogs/mod.py b/cogs/mod.py
index f29122e..852d72e 100644
--- a/cogs/mod.py
+++ b/cogs/mod.py
@@ -10,9 +10,13 @@ class ModCog:
         self.bot = bot
 
     def check_if_staff(ctx):
+        if not ctx.guild:
+            return False
         return any(r.id in config.staff_role_ids for r in ctx.author.roles)
 
     def check_if_target_is_staff(self, target):
+        if not ctx.guild:
+            return False
         return any(r.id in config.staff_role_ids for r in target.roles)
 
     async def add_restriction(self, member, rst):
@@ -190,7 +194,7 @@ class ModCog:
     @commands.guild_only()
     @commands.bot_has_permissions(ban_members=True)
     @commands.check(check_if_staff)
-    @commands.command()
+    @commands.command(alias=["softban"])
     async def hackban(self, ctx, target: int, *, reason: str = ""):
         """Bans a user with their ID, doesn't message them, staff only."""
         target_user = await self.bot.get_user_info(target)
diff --git a/cogs/verification.py b/cogs/verification.py
index a9eb2db..da2200e 100644
--- a/cogs/verification.py
+++ b/cogs/verification.py
@@ -104,6 +104,8 @@ class Verification:
         self.bot = bot
 
     def check_if_staff(ctx):
+        if not ctx.guild:
+            return False
         return any(r.id in config.staff_role_ids for r in ctx.author.roles)
 
     @commands.check(check_if_staff)