diff --git a/Lieb/Controllers/DiscordBotController.cs b/Lieb/Controllers/DiscordBotController.cs
index 56baa16..564e2a7 100644
--- a/Lieb/Controllers/DiscordBotController.cs
+++ b/Lieb/Controllers/DiscordBotController.cs
@@ -38,7 +38,6 @@ namespace Lieb.Controllers
         [Route("[action]/{raidId}/{userId}")]
         public ActionResult IsSignUpAllowed(int raidId, ulong userId)
         {
-            Raid raid = _raidService.GetRaid(raidId);
             if(!_raidService.IsRaidSignUpAllowed(userId, raidId, out string errorMessage))
             {
                 return Problem(errorMessage);
diff --git a/Lieb/Data/DiscordService.cs b/Lieb/Data/DiscordService.cs
index 84f9b11..60586be 100644
--- a/Lieb/Data/DiscordService.cs
+++ b/Lieb/Data/DiscordService.cs
@@ -243,7 +243,10 @@ namespace Lieb.Data
             apiReminder.UserIds = new List<ulong>();
             foreach(RaidSignUp signUp in raid.SignUps)
             {
-                apiReminder.UserIds.Add(signUp.LiebUserId);
+                if(signUp.LiebUserId > 0)
+                {
+                    apiReminder.UserIds.Add(signUp.LiebUserId);
+                }
             }
             return apiReminder;
         }
diff --git a/Lieb/Models/GuildWars2/Raid/RaidReminder.cs b/Lieb/Models/GuildWars2/Raid/RaidReminder.cs
index bcd0cc1..d5f3589 100644
--- a/Lieb/Models/GuildWars2/Raid/RaidReminder.cs
+++ b/Lieb/Models/GuildWars2/Raid/RaidReminder.cs
@@ -18,7 +18,7 @@ namespace Lieb.Models.GuildWars2.Raid
 
         [Required]
         [StringLength(1000, ErrorMessage = "Message too long (1000 character limit).")]
-        public string Message { get; set; }
+        public string Message { get; set; } = string.Empty;
 
         [Required]
         public double HoursBeforeRaid { get; set; }