diff --git a/core/parser.lua b/core/parser.lua
index aceae985..4345d3ae 100644
--- a/core/parser.lua
+++ b/core/parser.lua
@@ -3636,7 +3636,7 @@ local SPELL_POWER_PAIN = SPELL_POWER_PAIN or (PowerEnum and PowerEnum.Pain) or 1
 				_table_insert (_current_combat.last_events_tables, #_current_combat.last_events_tables+1, t)
 				
 				--> check if this is a mythic+ run
-				local mythicLevel = C_ChallengeMode.GetActiveKeystoneInfo()
+				local mythicLevel = C_ChallengeMode and C_ChallengeMode.GetActiveKeystoneInfo() --classic wow doesn't not have C_ChallengeMode API
 				if (mythicLevel and type (mythicLevel) == "number" and mythicLevel >= 2) then --several checks to be future proof
 					--> more checks for integrity
 					if (_detalhes.tabela_overall and _detalhes.tabela_overall.last_events_tables) then
diff --git a/functions/slash.lua b/functions/slash.lua
index 358b6057..4b4eb52e 100644
--- a/functions/slash.lua
+++ b/functions/slash.lua
@@ -164,6 +164,10 @@ function SlashCmdList.DETAILS (msg, editbox)
 	elseif (command == Loc ["STRING_SLASH_CHANGES"] or command == Loc ["STRING_SLASH_CHANGES_ALIAS1"] or command == Loc ["STRING_SLASH_CHANGES_ALIAS2"] or command == "news" or command == "updates") then
 		_detalhes:OpenNewsWindow()
 	
+	elseif (command == "discord") then
+		_detalhes:CopyPaste ("https://discord.gg/AGSzAZX")
+	
+	
 	elseif (command == "debugwindow") then
 		
 		local window1 = Details:GetWindow(1)
diff --git a/startup.lua b/startup.lua
index 80ceb0c1..55614c34 100644
--- a/startup.lua
+++ b/startup.lua
@@ -339,7 +339,7 @@ function _G._detalhes:Start()
 			local newFrame = CreateFrame ("frame", "DetailsMythicPlusFrame", UIParent)
 			newFrame.DevelopmentDebug = false
 			
-			--disabnling the mythic+ feature if the user is playing in wow classic
+			--disabling the mythic+ feature if the user is playing in wow classic
 			if (not DetailsFramework.IsClassicWow()) then
 				newFrame:RegisterEvent ("CHALLENGE_MODE_START")
 				newFrame:RegisterEvent ("CHALLENGE_MODE_COMPLETED")
@@ -1875,6 +1875,14 @@ function _G._detalhes:Start()
 
 	--> override the overall data flag on this release only (remove on the next release)
 	--Details.overall_flag = 0x10
+	
+	--show warning message about classic beta
+	
+	if (not DetailsFramework.IsClassicWow()) then
+		print ("|CFFFFFF00[Tercioo]: this version of Details! is being ported to Classic WoW, bugs may appear here on BfA, report at Discord (/details discord).")
+	else
+		print ("|CFFFFFF00[Tercioo]: thanks for testing Details! Damage Meter for Classic WoW, report bugs at Discord (/details discord).")
+	end
 
 end