diff --git a/profiles/_default.json b/profiles/_default.json
index 3d91ae2..7773e91 100644
--- a/profiles/_default.json
+++ b/profiles/_default.json
@@ -115,12 +115,17 @@
             {"role": "system", "content": "Agent action stopped."},
             {"role": "assistant", "content": "I've stopped! What next?"}
         ],
-    
+
         [
             {"role": "system", "content": "Code output: Action failed."},
             {"role": "assistant", "content": "Apologies, I made an error. Let me try again. !newAction(\"Try again to complete the task.\")"}
         ],
-    
+
+        [
+            {"role": "system", "content": "Code output: Could not find any oak_log in 20 blocks."},
+            {"role": "assistant", "content": "I'll have to search a wider area. !searchForBlock(\"oak_log\", 100)"}
+        ],
+
         [
             {"role": "user", "content": "trixy88: craft some sticks"},
             {"role": "assistant", "content": "!craftRecipe(\"stick\", 4)"},
diff --git a/src/agent/commands/actions.js b/src/agent/commands/actions.js
index a9e08b0..32a1523 100644
--- a/src/agent/commands/actions.js
+++ b/src/agent/commands/actions.js
@@ -386,8 +386,8 @@ export const actionsList = [
             'message': { type: 'string', description: 'The message to send.' },
         },
         perform: async function (agent, player_name, message) {
-            if (convoManager.inConversation() && !convoManager.inConversation(player_name))
-                return 'You are already talking to someone else.';
+            if (convoManager.inConversation())
+                return 'You are already talking to ' + convoManager.activeConversation.name;
             if (!convoManager.isOtherAgent(player_name))
                 return player_name + ' is not a bot, cannot start conversation.';
             convoManager.startConversation(player_name, message);
diff --git a/src/agent/commands/index.js b/src/agent/commands/index.js
index d163ce4..76dd117 100644
--- a/src/agent/commands/index.js
+++ b/src/agent/commands/index.js
@@ -14,8 +14,8 @@ export function getCommand(name) {
     return commandMap[name];
 }
 
-const commandRegex = /!(\w+)(?:\(((?:-?\d+|true|false|"[^"]*")(?:\s*,\s*(?:-?\d+|true|false|"[^"]*"))*)\))?/
-const argRegex = /-?\d+|true|false|"[^"]*"/g;
+const commandRegex = /!(\w+)(?:\(((?:-?\d+(?:\.\d+)?|true|false|"[^"]*")(?:\s*,\s*(?:-?\d+(?:\.\d+)?|true|false|"[^"]*"))*)\))?/
+const argRegex = /-?\d+(?:\.\d+)?|true|false|"[^"]*"/g;
 
 export function containsCommand(message) {
     const commandMatch = message.match(commandRegex);
diff --git a/src/models/grok.js b/src/models/grok.js
index 00f6477..ddc6cd9 100644
--- a/src/models/grok.js
+++ b/src/models/grok.js
@@ -45,7 +45,8 @@ export class Grok {
                 res = 'My brain disconnected, try again.';
             }
         }
-        return res;
+        // sometimes outputs special token <|separator|>, just replace it
+        return res.replace(/<\|separator\|>/g, '.');
     }
     
     async embed(text) {