Knowing how to recognize and clear different types of Handgun Malfunctions

The following warnings occurred:

Warning [2] Array to string conversion - Line: 3 - File: global.php(971) : eval()'d code PHP 8.1.29 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/global.php(971) : eval()'d code	3	errorHandler->error_callback
/global.php	971	eval
/showthread.php	28	require_once

Warning [2] Undefined variable $avatar_width_height - Line: 2 - File: inc/functions_post.php(344) : eval()'d code PHP 8.1.29 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/functions_post.php(344) : eval()'d code	2	errorHandler->error_callback
/inc/functions_post.php	344	eval
/showthread.php	1121	build_postbit

Warning [2] Undefined array key "posttime" - Line: 9 - File: inc/functions_post.php(950) : eval()'d code PHP 8.1.29 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/functions_post.php(950) : eval()'d code	9	errorHandler->error_callback
/inc/functions_post.php	950	eval
/showthread.php	1121	build_postbit

Warning [2] Undefined array key "avatar_padding" - Line: 19 - File: inc/functions_post.php(950) : eval()'d code PHP 8.1.29 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/functions_post.php(950) : eval()'d code	19	errorHandler->error_callback
/inc/functions_post.php	950	eval
/showthread.php	1121	build_postbit