Errors should be red

css/converse.css

@@ -9324,7 +9324,7 @@ readers do not read off random characters that represent icons */
   --danger-color: #D24E2B;
   --danger-color-dark: #A93415;
   --light-background-color: #FCFDFD;
-  --error-color: #A53214;
+  --error-color: #D24E2B;
   --info-color: #1E9652;
   --button-border-radius: 5px;
   --chatbox-border-radius: 4px;
@@ -11657,7 +11657,7 @@ body.reset {
     clear: left;
     font-style: italic; }
   #conversejs .message.chat-info.chat-error {
-    color: var(--warning-color);
+    color: var(--error-color);
     font-weight: bold; }
 
 #conversejs .message .chat-image {

sass/_messages.scss

@@ -51,7 +51,7 @@
                 font-style: italic;
             }
             &.chat-error {
-                color: var(--warning-color);
+                color: var(--error-color);
                 font-weight: bold;
             }
         }

sass/_variables.scss

@@ -61,7 +61,7 @@ $font-path: "webfonts/icomoon/fonts/" !default;
 
     --light-background-color: #FCFDFD;
 
-    --error-color: #A53214; // $darkest-red
+    --error-color: #D24E2B; // dark-red
     --info-color: #1E9652; // $dark-green
 
     --button-border-radius: 5px;