From df6ccfc7d4f3a321b402ea2bfad56b2c40ff12d3 Mon Sep 17 00:00:00 2001
From: Kijin Sung <kijin@kijinsung.com>
Date: Mon, 7 Aug 2023 15:14:47 +0900
Subject: [PATCH] Show friendly error message for very common error conditions,
 such as Object class

---
 common/framework/Debug.php | 10 ++++++++--
 common/lang/en.php         |  1 +
 common/lang/ko.php         |  3 ++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/common/framework/Debug.php b/common/framework/Debug.php
index aba9795c4..5469bbc5c 100644
--- a/common/framework/Debug.php
+++ b/common/framework/Debug.php
@@ -628,24 +628,30 @@ class Debug
 		}
 
 		// Add the exception to the error log.
-
 		if ($caller_errfile && $caller_errfile !== $errfile)
 		{
 			$log_entry = str_replace("\0", '', sprintf('%s #%d "%s" in %s on line %d (via %s on line %d)',
 				get_class($e), $e->getCode(), $e->getMessage(), $caller_errfile, $caller_errline, $errfile, $e->getLine()));
+			$friendly_entry = $log_entry;
 		}
 		else
 		{
 			$log_entry = str_replace("\0", '', sprintf('%s #%d "%s" in %s on line %d',
 				get_class($e), $e->getCode(), $e->getMessage(), $errfile, $e->getLine()));
+			$friendly_entry = $log_entry;
+			if ($e->getMessage() === 'Class "Object" not found')
+			{
+				$friendly_entry .= "\n\n" . lang('msg_baseobject_fix');
+			}
 		}
+
 		if (!isset(self::$_config['write_error_log']) || self::$_config['write_error_log'] !== 'none')
 		{
 			error_log('PHP Exception: ' . $log_entry . \PHP_EOL . self::formatBacktrace($e->getTrace()));
 		}
 
 		// Display the error screen.
-		self::displayErrorScreen($log_entry);
+		self::displayErrorScreen($friendly_entry);
 		exit;
 	}
 
diff --git a/common/lang/en.php b/common/lang/en.php
index c735d68fa..429ac4e73 100644
--- a/common/lang/en.php
+++ b/common/lang/en.php
@@ -342,6 +342,7 @@ $lang->filter['invalid_number'] = 'The format of %s is invalid. Please enter num
 $lang->filter['invalid_float'] = 'The format of %s is invalid. Please enter numbers only.';
 $lang->filter['invalid_extension'] = 'The format of %s is invalid. e.g. gif, jpg, png';
 $lang->security_warning_embed = 'Due to security concern, administrators are not allowed to view embedded items.<BR /> To view them, please use another non-administrator ID.';
+$lang->msg_baseobject_fix = 'Object → BaseObject conversion is required in a third-party program. Please fix it by consulting the file name and line number shown above.';
 $lang->msg_pc_to_mobile = 'View mobile optimized version of this page';
 $lang->cmd_yes = 'Yes';
 $lang->cmd_no = 'No';
diff --git a/common/lang/ko.php b/common/lang/ko.php
index 0f27231c7..ed36878c1 100644
--- a/common/lang/ko.php
+++ b/common/lang/ko.php
@@ -346,6 +346,7 @@ $lang->filter['invalid_float'] = '%s의 형식이 잘못되었습니다. 숫자
 $lang->filter['invalid_extension'] = '%s의 형식이 잘못되었습니다. gif, jpg, png 등 쉼표로 구분하여 입력해야 합니다.';
 $lang->security_invalid_session = '바르지 않은 접근입니다. 인증을 위해 다시 로그인해야 합니다.';
 $lang->security_warning_embed = '보안 문제로 관리자 아이디로는 embed를 볼 수 없습니다. 확인하려면 다른 아이디로 접속하세요';
+$lang->msg_baseobject_fix = 'Object → BaseObject 변환이 필요한 서드파티 자료가 있습니다. 위의 에러 메시지에 포함된 파일명과 줄 번호를 참고하여 수정하세요.';
 $lang->msg_pc_to_mobile = '모바일에 최적화된 화면으로 보기';
 $lang->cmd_yes = '예';
 $lang->cmd_no = '아니오';
@@ -380,4 +381,4 @@ $lang->image_quality = '화질';
 $lang->standard = '표준';
 $lang->unlimited = '제한 없음';
 $lang->admin = '관리자';
-$lang->stop = '중지';
+$lang->stop = '중지';
\ No newline at end of file