diff --git a/changelog.html b/changelog.html
index 71050062f..422f099da 100644
--- a/changelog.html
+++ b/changelog.html
@@ -46,6 +46,7 @@ <h1>
 
 <p><b>1.11.1</b> (tbd)</p>
 <ul>
+    <li>[<a href='https://github.com/igniterealtime/openfire-restAPI-plugin/issues/203'>#203</a>] - Reduce log level verbosity for some errors.</li>
     <li>[<a href='https://github.com/igniterealtime/openfire-restAPI-plugin/issues/200'>#200</a>] - Fix compatibility issue with Openfire 4.9.0.</li>
 </ul>
 
diff --git a/plugin.xml b/plugin.xml
index 03d53aac9..cc2c7747f 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -6,7 +6,7 @@
     <description>Allows administration over a RESTful API.</description>
     <author>Roman Soldatow</author>
     <version>${project.version}</version>
-    <date>2024-10-04</date>
+    <date>2024-11-17</date>
     <minServerVersion>4.8.0</minServerVersion>
     <adminconsole>
         <tab id="tab-server">
diff --git a/src/java/org/jivesoftware/openfire/plugin/rest/AuthFilter.java b/src/java/org/jivesoftware/openfire/plugin/rest/AuthFilter.java
index ce447d5c4..7ab1111cf 100644
--- a/src/java/org/jivesoftware/openfire/plugin/rest/AuthFilter.java
+++ b/src/java/org/jivesoftware/openfire/plugin/rest/AuthFilter.java
@@ -129,13 +129,13 @@ public void filter(ContainerRequestContext containerRequest) throws IOException
             try {
                 AuthFactory.authenticate(usernameAndPassword[0], usernameAndPassword[1]);
             } catch (UnauthorizedException e) {
-                LOG.warn("Wrong HTTP Basic Auth authorization", e);
+                LOG.info("Authentication for '{}' failed: incorrect credentials provided.", usernameAndPassword[0], e);
                 throw new WebApplicationException(Status.UNAUTHORIZED);
             } catch (ConnectionException e) {
-                LOG.error("Authentication went wrong", e);
+                LOG.error("Authentication for '{}' failed: Openfire is not able to connect to the back-end users/group system.", usernameAndPassword[0], e);
                 throw new WebApplicationException(Status.UNAUTHORIZED);
             } catch (InternalUnauthenticatedException e) {
-                LOG.error("Authentication went wrong", e);
+                LOG.error("Authentication for '{}' failed: Openfire is not able to authenticate itself to the back-end users/group system.", usernameAndPassword[0], e);
                 throw new WebApplicationException(Status.UNAUTHORIZED);
             }
         } else {
diff --git a/src/java/org/jivesoftware/openfire/plugin/rest/controller/MsgArchiveController.java b/src/java/org/jivesoftware/openfire/plugin/rest/controller/MsgArchiveController.java
index 41536ee11..f87ad819c 100644
--- a/src/java/org/jivesoftware/openfire/plugin/rest/controller/MsgArchiveController.java
+++ b/src/java/org/jivesoftware/openfire/plugin/rest/controller/MsgArchiveController.java
@@ -78,7 +78,7 @@ public int getUnReadMessagesCount(JID jid) {
                 messageCount = rs.getInt(1);
             }
         } catch (SQLException sqle) {
-            LOG.error(sqle.getMessage(), sqle);
+            LOG.warn("A database error prevented successful retrieval of the unread message count for user '{}' (the value '0' will be returned instead).", jid, sqle);
         } finally {
             DbConnectionManager.closeConnection(rs, pstmt, con);
         }
diff --git a/src/java/org/jivesoftware/openfire/plugin/rest/controller/SessionController.java b/src/java/org/jivesoftware/openfire/plugin/rest/controller/SessionController.java
index 5edd523da..1bd93bf6f 100644
--- a/src/java/org/jivesoftware/openfire/plugin/rest/controller/SessionController.java
+++ b/src/java/org/jivesoftware/openfire/plugin/rest/controller/SessionController.java
@@ -165,7 +165,7 @@ private SessionEntities convertToSessionEntities(Collection<ClientSession> clien
                 session.setHostAddress(clientSession.getHostAddress());
                 session.setHostName(clientSession.getHostName());
             } catch (UnknownHostException e) {
-                LOG.error("UnknownHostException", e);
+                LOG.debug("UnknownHostException", e);
             }
 
             session.setCreationDate(clientSession.getCreationDate());
diff --git a/src/java/org/jivesoftware/openfire/plugin/rest/service/UserServiceLegacy.java b/src/java/org/jivesoftware/openfire/plugin/rest/service/UserServiceLegacy.java
index 03dad0dc9..424daebc5 100644
--- a/src/java/org/jivesoftware/openfire/plugin/rest/service/UserServiceLegacy.java
+++ b/src/java/org/jivesoftware/openfire/plugin/rest/service/UserServiceLegacy.java
@@ -187,7 +187,7 @@ public Response userSerivceRequest() throws IOException {
         } catch (SharedGroupException e) {
             replyError("SharedGroupException", response, out);
         } catch (Exception e) {
-            LOG.error("Error: ", e);
+            LOG.error("Unexpected error while processing 'userservice' request of type '{}' for username '{}'", type, username, e);
             replyError(e.toString(), response, out);
         }
         return Response.status(200).build();