[ticket/12683] Improve exception handling

PHPBB3-12683

phpBB/language/en/acp/search.php

@@ -91,6 +91,8 @@ $lang = array_merge($lang, array(
 	'GENERAL_SEARCH_SETTINGS'				=> 'General search settings',
 	'GO_TO_SEARCH_INDEX'					=> 'Go to search index page',
 
+	'INVALID_ACTION'						=> 'Invalid action',
+
 	'INDEX_STATS'							=> 'Index statistics',
 	'INDEXING_IN_PROGRESS'					=> 'Indexing in progress',
 	'INDEXING_IN_PROGRESS_EXPLAIN'			=> 'The search backend is currently indexing all posts on the board. This can take from a few minutes to a few hours depending on your board’s size.',

phpBB/language/en/common.php

@@ -215,6 +215,9 @@ $lang = array_merge($lang, array(
 		2	=> 'Downloaded %d times',
 	),
 
+	'DI_SERVICE_NOT_FOUND'				=> 'No service found for class "%s" in collection.',
+	'DI_MULTIPLE_SERVICE_DEFINITIONS'	=> 'More than one service definitions found for class "%s" in collection.',
+
 	'EDIT_POST'							=> 'Edit post',
 	'ELLIPSIS'							=>	'…',
 	'EMAIL'								=> 'Email', // Short form for EMAIL_ADDRESS
@@ -715,6 +718,7 @@ $lang = array_merge($lang, array(
 	'SEARCH_UNANSWERED'			=> 'Unanswered topics',
 	'SEARCH_UNREAD'				=> 'Unread posts',
 	'SEARCH_USER_POSTS'			=> 'Search user’s posts',
+	'SEARCH_BACKEND_NOT_FOUND'	=> 'No search backend could be found.',
 	'SECONDS'					=> 'Seconds',
 	'SEE_ALL'					=> 'See All',
 	'SELECT'					=> 'Select',