diff --git a/app/main/controller/controller.php b/app/main/controller/controller.php
index 5f6a09f7..ee020a51 100644
--- a/app/main/controller/controller.php
+++ b/app/main/controller/controller.php
@@ -870,7 +870,8 @@ class Controller {
      */
     static function getRequestHeaders() : array {
         $headers = [];
-
+        $headerPrefix = 'http_';
+        $prefixLength = mb_strlen($headerPrefix);
         $serverData = self::getServerData();
 
         if(
@@ -885,8 +886,9 @@ class Controller {
             // Therefore we can´t use this for all servers
             // https://github.com/exodus4d/pathfinder/issues/58
             foreach($_SERVER as $name => $value){
-                if(substr($name, 0, 5) == 'HTTP_'){
-                    $headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
+                $name = mb_strtolower($name);
+                if(mb_substr($name, 0, $prefixLength) == $headerPrefix){
+                    $headers[mb_convert_case(str_replace('_', '-', mb_substr($name, $prefixLength)), MB_CASE_TITLE)] = $value;
                 }
             }
         }
diff --git a/app/main/cron/maphistory.php b/app/main/cron/maphistory.php
index 330c6a58..c9eabd0d 100644
--- a/app/main/cron/maphistory.php
+++ b/app/main/cron/maphistory.php
@@ -14,7 +14,10 @@ use data\filesystem\Search;
 
 class MapHistory extends AbstractCron {
 
-    const LOG_TEXT              = '%s [%4s] log files, [%4s] not writable, [%4s] read error, [%4s] write error, [%4s] rename error, [%4s] delete error, exec (%.3Fs)';
+    /**
+     * log msg for truncateFiles() cronjob
+     */
+    const LOG_TEXT              = '%s [%4s] log files, [%s] truncated, [%4s] not writable, [%4s] read error, [%4s] write error, [%4s] rename error, [%4s] delete error, exec (%.3Fs)';
 
     /**
      * default log file size limit before truncate, bytes (1MB)
@@ -65,6 +68,7 @@ class MapHistory extends AbstractCron {
         $writeErrors = 0;
         $renameErrors = 0;
         $deleteErrors = 0;
+        $truncatedFileNames = [];
 
         if($f3->exists('PATHFINDER.HISTORY.LOG', $dir)){
             $fileHandler = FileHandler::instance();
@@ -98,7 +102,8 @@ class MapHistory extends AbstractCron {
                                 // move temp file from PHP temp dir into Pathfinders history log dir...
                                 // ... overwrite old log file with new file
                                 if(rename($temp, $file->getRealPath())){
-                                    // map history logs should be writable non cronjob user too
+                                    $truncatedFileNames[] = $file->getFilename();
+                                    // map history logs should be writable for non cronjob user too
                                     @chmod($file->getRealPath(), 0666);
                                 }else{
                                     $renameErrors++;
@@ -120,6 +125,6 @@ class MapHistory extends AbstractCron {
 
         // Log ------------------------
         $log = new \Log('cron_' . __FUNCTION__ . '.log');
-        $log->write(sprintf(self::LOG_TEXT, __FUNCTION__, $largeFiles, $notWritableFiles, $readErrors, $writeErrors, $renameErrors, $deleteErrors, $execTime));
+        $log->write(sprintf(self::LOG_TEXT, __FUNCTION__, $largeFiles, implode(', ', $truncatedFileNames), $notWritableFiles, $readErrors, $writeErrors, $renameErrors, $deleteErrors, $execTime));
     }
 }
\ No newline at end of file
diff --git a/app/main/model/pathfinder/usermodel.php b/app/main/model/pathfinder/usermodel.php
index 382fc87d..f067fe1d 100644
--- a/app/main/model/pathfinder/usermodel.php
+++ b/app/main/model/pathfinder/usermodel.php
@@ -218,9 +218,12 @@ class UserModel extends AbstractPathfinderModel {
             // user matches session data
             if($characterId > 0){
                 $data = $this->findSessionCharacterData($characterId);
-            }elseif( !empty($sessionCharacters = (array)$this->getF3()->get(User::SESSION_KEY_CHARACTERS)) ){
+            }elseif(
+                is_array($sessionCharacters = $this->getF3()->get(User::SESSION_KEY_CHARACTERS)) && // check for null
+                !empty($sessionCharacters)
+            ){
                 // no character was requested ($requestedCharacterId = 0) AND session characters were found
-                // -> get first matched character (e.g. user open browser tab)
+                // -> get first matched character (e.g. user open /login browser tab)
                 $data = $sessionCharacters[0];
             }
         }
@@ -235,7 +238,7 @@ class UserModel extends AbstractPathfinderModel {
              * @var $character CharacterModel
              */
             $character = AbstractPathfinderModel::getNew('CharacterModel');
-            $character->getById( (int)$data['ID']);
+            $character->getById((int)$data['ID']);
 
             if(
                 $character->dry() ||
diff --git a/public/templates/ui/info_panel.html b/public/templates/ui/info_panel.html
index ea4da99b..9fc95bc8 100644
--- a/public/templates/ui/info_panel.html
+++ b/public/templates/ui/info_panel.html
@@ -1,4 +1,4 @@
 <div id="{{id}}" class="alert alert-warning">
     <div class="ui-pnotify-icon"><span class="fas fa-exclamation fa-fw fa-lg"></span></div>
-    <h4 class="ui-pnotify-title">Scheduled maintenance: Update v1.5.0 <i class="fas fa-long-arrow-alt-right"></i> v1.5.1; Shutdown: ~15:00 (UTC). ETA ~15:45 (UTC)</h4>
+    <h4 class="ui-pnotify-title">Scheduled maintenance: Update v1.5.1 <i class="fas fa-long-arrow-alt-right"></i> v1.5.2; Shutdown: ~21:30 (UTC). ETA ~22:00 (UTC)</h4>
 </div>