diff --git a/src/Application.php b/src/Application.php
index d77de21..fd3defe 100644
--- a/src/Application.php
+++ b/src/Application.php
@@ -4,6 +4,7 @@
 
 namespace Aeliot\TodoRegistrar;
 
+use Aeliot\TodoRegistrar\Exception\CommentRegistrationException;
 use Aeliot\TodoRegistrar\Service\File\Finder;
 use Aeliot\TodoRegistrar\Service\FileProcessor;
 
@@ -18,7 +19,31 @@ public function __construct(
     public function run(): void
     {
         foreach ($this->finder as $file) {
-            $this->fileProcessor->process($file);
+            try {
+                $this->fileProcessor->process($file);
+            } catch (\Throwable $exception) {
+                $this->writeError($exception, $file);
+            }
         }
     }
+
+    private function writeError(\Throwable $exception, ?\SplFileInfo $file = null): void
+    {
+        $previousException = $exception->getPrevious();
+        if ($previousException) {
+            $this->writeError($previousException);
+        }
+
+        $message = "[ERROR] {$exception->getMessage()} on {$exception->getFile()}:{$exception->getLine()}";
+        if ($file) {
+            $message .= ". Cannot process file: {$file->getPathname()}";
+        }
+        if ($exception instanceof CommentRegistrationException) {
+            $message .= " with comment on line {$exception->getToken()->line}";
+            $message .= " and obtained text: {$exception->getCommentPart()->getContent()}";
+        }
+        $message .= "\n";
+
+        fwrite(STDERR, $message);
+    }
 }
\ No newline at end of file
diff --git a/src/Exception/CommentRegistrationException.php b/src/Exception/CommentRegistrationException.php
new file mode 100644
index 0000000..8535070
--- /dev/null
+++ b/src/Exception/CommentRegistrationException.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Aeliot\TodoRegistrar\Exception;
+
+use Aeliot\TodoRegistrar\Dto\Comment\CommentPart;
+
+final class CommentRegistrationException extends \RuntimeException
+{
+    public function __construct(
+        private CommentPart $commentPart,
+        private \PhpToken $token,
+        \Throwable $previous,
+    ) {
+        parent::__construct(sprintf('Cannot register %s-comment', $this->commentPart->getTag()), 0, $previous);
+    }
+
+    public function getCommentPart(): CommentPart
+    {
+        return $this->commentPart;
+    }
+
+    public function getToken(): \PhpToken
+    {
+        return $this->token;
+    }
+}
diff --git a/src/Service/CommentRegistrar.php b/src/Service/CommentRegistrar.php
index 128c464..91fdbe2 100644
--- a/src/Service/CommentRegistrar.php
+++ b/src/Service/CommentRegistrar.php
@@ -4,6 +4,7 @@
 
 namespace Aeliot\TodoRegistrar\Service;
 
+use Aeliot\TodoRegistrar\Exception\CommentRegistrationException;
 use Aeliot\TodoRegistrar\Service\Comment\Detector as CommentDetector;
 use Aeliot\TodoRegistrar\Service\Comment\Extractor as CommentExtractor;
 use Aeliot\TodoRegistrar\Service\Registrar\RegistrarInterface;
@@ -47,7 +48,11 @@ private function registerTodos(array $tokens): bool
                 if ($this->registrar->isRegistered($todo)) {
                     continue;
                 }
-                $key = $this->registrar->register($todo);
+                try {
+                    $key = $this->registrar->register($todo);
+                } catch (\Throwable $exception) {
+                    throw new CommentRegistrationException($commentPart, $token, $exception);
+                }
                 $commentPart->injectKey($key);
                 $hasNewTodo = true;
             }
diff --git a/src/Service/TodoFactory.php b/src/Service/TodoFactory.php
index 1886eee..3d23136 100644
--- a/src/Service/TodoFactory.php
+++ b/src/Service/TodoFactory.php
@@ -36,7 +36,7 @@ private function getInlineConfig(string $description): InlineConfigInterface
         try {
             $config = $this->inlineConfigReader->getInlineConfig($description);
         } catch (\Throwable $exception) {
-            fwrite(STDERR, "[ERROR] Cannot parse inline config: {$exception->getMessage()} for $description \n");
+            fwrite(STDERR, "[ERROR] {$exception->getMessage()}. Cannot parse inline config for: $description \n");
             $config = [];
         }