diff --git a/DynmapCore/src/main/java/org/dynmap/DynmapCore.java b/DynmapCore/src/main/java/org/dynmap/DynmapCore.java
index 41fcfd67..fba99b8f 100644
--- a/DynmapCore/src/main/java/org/dynmap/DynmapCore.java
+++ b/DynmapCore/src/main/java/org/dynmap/DynmapCore.java
@@ -135,6 +135,7 @@ public class DynmapCore implements DynmapCommonAPI {
     private int fullrenderplayerlimit;  /* Number of online players that will cause fullrender processing to pause */
     private int updateplayerlimit;  /* Number of online players that will cause update processing to pause */
     private String publicURL;	// If set, public HRL for accessing dynmap (declared by administrator)
+    private String noPermissionMsg;
     private boolean didfullpause;
     private boolean didupdatepause;
     private Map<String, LinkedList<String>> ids_by_ip = new HashMap<String, LinkedList<String>>();
@@ -571,6 +572,9 @@ public class DynmapCore implements DynmapCommonAPI {
             Log.info("EXPERIMENTAL: chunk migration enabled");
         
         publicURL = configuration.getString("publicURL", "");
+
+        /* Send this message if the player does not have permission to use the command */
+        noPermissionMsg = configuration.getString("noPermissionMsg", "You don't have permission to use this command!");
         
         /* Load preupdate/postupdate commands */
         ImageIOManager.preUpdateCommand = configuration.getString("custom-commands/image-updates/preupdatecommand", "");
@@ -2097,7 +2101,7 @@ public class DynmapCore implements DynmapCommonAPI {
         if (!(sender instanceof DynmapPlayer) || sender.isOp()) {
             return true;
         } else if (!sender.hasPrivilege(permission.toLowerCase())) {
-            sender.sendMessage("You don't have permission to use this command!");
+            sender.sendMessage(noPermissionMsg);
             return false;
         }
         return true;
diff --git a/fabric-1.14.4/src/main/resources/configuration.txt b/fabric-1.14.4/src/main/resources/configuration.txt
index 9889eaa3..cd925d90 100644
--- a/fabric-1.14.4/src/main/resources/configuration.txt
+++ b/fabric-1.14.4/src/main/resources/configuration.txt
@@ -470,7 +470,10 @@ soft-ref-cache: true
 # Published public URL for Dynmap server (allows users to use 'dynmap url' command to get public URL usable to access server
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/fabric-1.15.2/src/main/resources/configuration.txt b/fabric-1.15.2/src/main/resources/configuration.txt
index fbf2a220..cd925d90 100644
--- a/fabric-1.15.2/src/main/resources/configuration.txt
+++ b/fabric-1.15.2/src/main/resources/configuration.txt
@@ -471,6 +471,9 @@ soft-ref-cache: true
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
 
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/fabric-1.16.4/src/main/resources/configuration.txt b/fabric-1.16.4/src/main/resources/configuration.txt
index 41fefecf..9781d362 100644
--- a/fabric-1.16.4/src/main/resources/configuration.txt
+++ b/fabric-1.16.4/src/main/resources/configuration.txt
@@ -479,6 +479,9 @@ soft-ref-cache: true
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
 
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/fabric-1.17.1/src/main/resources/configuration.txt b/fabric-1.17.1/src/main/resources/configuration.txt
index 41fefecf..9781d362 100644
--- a/fabric-1.17.1/src/main/resources/configuration.txt
+++ b/fabric-1.17.1/src/main/resources/configuration.txt
@@ -479,6 +479,9 @@ soft-ref-cache: true
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
 
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/fabric-1.18.2/src/main/resources/configuration.txt b/fabric-1.18.2/src/main/resources/configuration.txt
index c0379e35..2e123c79 100644
--- a/fabric-1.18.2/src/main/resources/configuration.txt
+++ b/fabric-1.18.2/src/main/resources/configuration.txt
@@ -477,6 +477,9 @@ soft-ref-cache: true
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
 
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/fabric-1.18/src/main/resources/configuration.txt b/fabric-1.18/src/main/resources/configuration.txt
index c0379e35..2e123c79 100644
--- a/fabric-1.18/src/main/resources/configuration.txt
+++ b/fabric-1.18/src/main/resources/configuration.txt
@@ -477,6 +477,9 @@ soft-ref-cache: true
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
 
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/forge-1.12.2/src/main/resources/configuration.txt b/forge-1.12.2/src/main/resources/configuration.txt
index 8b7fd7ff..55c511d6 100644
--- a/forge-1.12.2/src/main/resources/configuration.txt
+++ b/forge-1.12.2/src/main/resources/configuration.txt
@@ -461,7 +461,10 @@ soft-ref-cache: true
 #enterexitUseTitle: true
 # Set true if new enter messages should supercede pending exit messages (vs being queued in order), default false
 #enterReplacesExits: true
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/forge-1.14.4/src/main/resources/configuration.txt b/forge-1.14.4/src/main/resources/configuration.txt
index 4e9bec12..a58a9e9d 100644
--- a/forge-1.14.4/src/main/resources/configuration.txt
+++ b/forge-1.14.4/src/main/resources/configuration.txt
@@ -478,7 +478,10 @@ soft-ref-cache: true
 # Published public URL for Dynmap server (allows users to use 'dynmap url' command to get public URL usable to access server
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/forge-1.15.2/src/main/resources/configuration.txt b/forge-1.15.2/src/main/resources/configuration.txt
index 4e9bec12..a58a9e9d 100644
--- a/forge-1.15.2/src/main/resources/configuration.txt
+++ b/forge-1.15.2/src/main/resources/configuration.txt
@@ -478,7 +478,10 @@ soft-ref-cache: true
 # Published public URL for Dynmap server (allows users to use 'dynmap url' command to get public URL usable to access server
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/forge-1.16.5/src/main/resources/configuration.txt b/forge-1.16.5/src/main/resources/configuration.txt
index 748a4f77..161202ed 100644
--- a/forge-1.16.5/src/main/resources/configuration.txt
+++ b/forge-1.16.5/src/main/resources/configuration.txt
@@ -478,7 +478,10 @@ soft-ref-cache: true
 # Published public URL for Dynmap server (allows users to use 'dynmap url' command to get public URL usable to access server
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/forge-1.17.1/src/main/resources/configuration.txt b/forge-1.17.1/src/main/resources/configuration.txt
index a41e9950..6931e0c1 100644
--- a/forge-1.17.1/src/main/resources/configuration.txt
+++ b/forge-1.17.1/src/main/resources/configuration.txt
@@ -478,7 +478,10 @@ soft-ref-cache: true
 # Published public URL for Dynmap server (allows users to use 'dynmap url' command to get public URL usable to access server
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/forge-1.18.2/src/main/resources/configuration.txt b/forge-1.18.2/src/main/resources/configuration.txt
index 748a4f77..161202ed 100644
--- a/forge-1.18.2/src/main/resources/configuration.txt
+++ b/forge-1.18.2/src/main/resources/configuration.txt
@@ -478,7 +478,10 @@ soft-ref-cache: true
 # Published public URL for Dynmap server (allows users to use 'dynmap url' command to get public URL usable to access server
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/forge-1.18/src/main/resources/configuration.txt b/forge-1.18/src/main/resources/configuration.txt
index 748a4f77..161202ed 100644
--- a/forge-1.18/src/main/resources/configuration.txt
+++ b/forge-1.18/src/main/resources/configuration.txt
@@ -478,7 +478,10 @@ soft-ref-cache: true
 # Published public URL for Dynmap server (allows users to use 'dynmap url' command to get public URL usable to access server
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
-    
+
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false
diff --git a/spigot/src/main/resources/configuration.txt b/spigot/src/main/resources/configuration.txt
index 87b593fd..f48f19e2 100644
--- a/spigot/src/main/resources/configuration.txt
+++ b/spigot/src/main/resources/configuration.txt
@@ -505,6 +505,9 @@ soft-ref-cache: true
 # If not set, 'dynmap url' will not return anything.  URL should be fully qualified (e.g. https://mc.westeroscraft.com/)
 #publicURL: http://my.greatserver.com/dynmap
 
+# Send this message if the player does not have permission to use the command
+noPermissionMsg: "You don't have permission to use this command!"
+
 # Set to true to enable verbose startup messages - can help with debugging map configuration problems
 # Set to false for a much quieter startup log
 verbose: false