diff --git a/cache.inc.php b/cache.inc.php
index 741b212..e39daab 100644
--- a/cache.inc.php
+++ b/cache.inc.php
@@ -201,6 +201,8 @@ class ConfigFetchResult
   public array $by_path = array();
   /** @var array<string, ConfigCacheEntry> */
   public array $by_alias = array();
+  /** @var array<string, string> */
+  public array $errors = array();
   public int $stales = 0;
   public int $corruptions = 0;
   public int $fast_jsons = 0;
@@ -233,6 +235,20 @@ function config_cache_fetch(ConfigFetchParams $params) : ConfigFetchResult
 
   $result = _config_cache_fetch($params);
 
+  if($result->errors)
+  {
+    $errors = array();
+    foreach($result->errors as $file => $error)
+    {
+      $errors[] = (count($errors) + 1) . ") Error in file '$file': $error";
+      if(count($errors) > 15)
+        break;
+    }
+    var_dump(sizeof($errors));
+
+    throw new Exception(implode("\n", $errors));
+  }
+
   if($params->verbose)
     config_log("Fetch from cache: " . round(microtime(true) - $t,2) . " sec.");
 
@@ -306,7 +322,13 @@ function _config_merge_fetch_results(ConfigFetchParams $params, array $results_b
   {
     foreach($results as $item) 
     {
-      list($base_dir, $file, $cache_file, $is_stale, $parser_type) = $item;
+      list($base_dir, $file, $cache_file, $is_stale, $parser_type, $error) = $item;
+
+      if($error !== null)
+      {
+        $result->errors[$file] = $error;
+        continue;
+      }
 
       if($parser_type === 1)
         ++$total_fast_jsons;
diff --git a/parse.inc.php b/parse.inc.php
index dc59f2a..e659452 100644
--- a/parse.inc.php
+++ b/parse.inc.php
@@ -27,7 +27,7 @@ function config_parse(array $base_dirs, string $file) : ConfigParseResult
   catch(Exception $e)
   {
     $res->error = 1;
-    $res->error_descr = "File '$file':\n" . $e->getMessage() . "\n" . $e->getTraceAsString(); 
+    $res->error_descr = $e->getMessage() . "\n" . $e->getTraceAsString(); 
     return $res;
   }
 
diff --git a/task.inc.php b/task.inc.php
index c5889d5..0506cbb 100644
--- a/task.inc.php
+++ b/task.inc.php
@@ -1,6 +1,7 @@
 <?php
 namespace taskman;
 use Exception;
+use Throwable;
 
 task('config_worker', function(array $args)
 {
@@ -17,7 +18,7 @@ task('config_worker', function(array $args)
     $result = _config_worker_func($params, $job);
     ensure_write($out_file, serialize($result));
   }
-  catch(Exception $e)
+  catch(Throwable $e)
   {
     //NOTE: explicitely catching all exceptions and writing to the error file 
     //      since under Windows error file stream redirect may work unreliably 
@@ -45,7 +46,7 @@ function _config_worker_run_procs(ConfigFetchParams $params, array $jobs, bool $
   }
 }
 
-//returns [[base_dir, file, cache_file, was_stale], ...]
+//returns [[base_dir, file, cache_file, was_stale, parser_type, error], ...]
 function _config_worker_func(ConfigFetchParams $params, array $job) : array
 {
   $start_time = microtime(true);
@@ -60,10 +61,10 @@ function _config_worker_func(ConfigFetchParams $params, array $job) : array
   $results = array();
   foreach($chunk as $file_idx => $chunk_data)
   {
+    list($base_dir, $file) = $chunk_data;
+
     try
     {
-      list($base_dir, $file) = $chunk_data;
-
       if($params->verbose && $file_idx > 0 && ($file_idx % 500) == 0)
         config_log("Worker $idx progress: " . round($file_idx / sizeof($chunk) * 100) . "% ...");
 
@@ -78,11 +79,11 @@ function _config_worker_func(ConfigFetchParams $params, array $job) : array
       if($is_stale)
         _config_invalidate_cache($params, $base_dir, $file, $cache_file, $parser_type);
 
-      $results[] = array($base_dir, $file, $cache_file, $is_stale, $parser_type);
+      $results[] = array($base_dir, $file, $cache_file, $is_stale, $parser_type, null);
     }
-    catch(Exception $e)
+    catch(Throwable $e)
     {
-      throw new Exception("Error in file '$file': " . $e->getMessage());
+      $results[] = array($base_dir, $file, null, null, null, $e->getMessage());
     }
   }