diff --git a/src/docx_converter.py b/src/docx_converter.py
index 267387b..2a67e09 100644
--- a/src/docx_converter.py
+++ b/src/docx_converter.py
@@ -230,26 +230,32 @@ class Book:
         self.logger_object.log('End of the test.')
 
     def conversion(self):
-        self.logger_object.log('Beginning of conversion from .docx to .json.')
-        self.get_docx()
-        self.book_api_wrapper.set_process_status()
-        self.convert_doc_to_html()
-        self.check_output_directory()
+        try:
+            self.logger_object.log('Beginning of conversion from .docx to .json.')
+            self.get_docx()
+            self.book_api_wrapper.set_process_status()
+            self.convert_doc_to_html()
+            self.check_output_directory()
 
-        html_soup = self.read_html()
-        self.logger_object.log('Beginning of processing .html file.')
+            html_soup = self.read_html()
+            self.logger_object.log('Beginning of processing .html file.')
 
-        parser = HTMLPreprocessor(html_soup, self.logger_object)
-        content, footnotes, top_level_headers = parser.process_html(self.access, self.html_path, self.book_id)
+            parser = HTMLPreprocessor(html_soup, self.logger_object)
+            content, footnotes, top_level_headers = parser.process_html(self.access, self.html_path, self.book_id)
 
-        self.logger_object.log('Beginning of processing json output.')
-        self.book_api_wrapper.set_generate_status()
+            self.logger_object.log('Beginning of processing json output.')
+            self.book_api_wrapper.set_generate_status()
 
-        json_converter = JSONConverter(content, footnotes, top_level_headers, self.logger_object, self.book_api_wrapper)
-        content_dict = json_converter.convert_to_dict()
-        self.write_to_json(content_dict)
-        self.send_json_content(content_dict)
-        self.logger_object.log(f'End of the conversion to LawCarta format. Check {self.output_path}.')
+            json_converter = JSONConverter(content, footnotes, top_level_headers, self.logger_object, self.book_api_wrapper)
+            content_dict = json_converter.convert_to_dict()
+            self.write_to_json(content_dict)
+            self.send_json_content(content_dict)
+            self.logger_object.log(f'End of the conversion to LawCarta format. Check {self.output_path}.')
+        except Exception as exc:
+            self.logger_object.log('Error has occurred while conversion.', logging.ERROR)
+            self.logger_object.log_error_to_main_log(str(exc))
+            self.book_api_wrapper.set_error_status()
+            raise exc
 
 
 if __name__ == "__main__":