diff --git a/watch.php b/watch.php
index 19b1af4..e3409a9 100755
--- a/watch.php
+++ b/watch.php
@@ -1,200 +1,215 @@
 #!/usr/bin/php
 <?php
 # MediaWiki Category Watcher
 # Copyright (C) 2020 Valerio Bozzolan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Affero General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 // require some basic functions
 require 'functions.php';
 
 // register some inline options
 $opts = getopt( '', [
 	'config:',
 	'category:',
 	'wiki:',
 	'to:',
 	'strip-base',
 ] );
 
 // config file
 $CONFIG_FILE = $opts['config']   ?? 'config.php';
 
 // config file
 $CATEGORY    = $opts['category'] ?? null;
 
 // wiki identifier
 $WIKI_UID    = $opts['wiki']     ?? null;
 
 // comma separated list of additional destination emails
 $TO_RAW_LIST = $opts['to']       ?? '';
 
 // eventually strip page title prefixes from the mail body
 // to just have 'Something Title' from 'Project:Pages/Page Collection/Something Title'
 $STRIP_BASE  = isset( $opts['strip-base'] );
 
 // no wiki no party
 if( !$WIKI_UID ) {
 	echo "Please set a --wiki=identifier\n";
 	exit( 1 );
 }
 
 // no category no party
 if( !$CATEGORY ) {
 	echo "Please set a --category=Name\n";
 	exit( 1 );
 }
 
 // read the configuration
 require $CONFIG_FILE;
 
 use web\MediaWikis;
 
 // check if the wiki exists
 $wiki = MediaWikis::findFromUID( $WIKI_UID );
 if( !$wiki ) {
 	echo "Missing wiki with identifier $WIKI_UID\n";
 	exit( 1 );
 }
 
 // merge the base email addresses with the specified ones (if any)
 $TO = $CONFIGS['BASE_RECIPIENTS'] ?? [];
 if( $TO_RAW_LIST ) {
 	$to_additionals = explode( ',', $TO_RAW_LIST );
 	foreach( $to_additionals as $to_additional ) {
 		$TO[] = $to_additional;
 	}
 }
 
 // avoid duplicates added by mistake
 array_unique( $TO );
 
 // validate each email address
 foreach( $TO as $to ) {
 	if( !filter_var( $to, FILTER_VALIDATE_EMAIL ) ) {
 		echo "The email address '$to' is considered not valid\n";
 		exit( 2 );
 	}
 }
 
 // no addresses no party
 if( !$TO ) {
 	echo "Please specify at least one --to=email@example.com\n";
 }
 
 // parse the category title
 $category_object = $wiki->createTitleParsing( $CATEGORY );
 
 // cache file
 $CACHE_FILE = $CONFIGS['DIR_CACHE'] . '/' . $CATEGORY;
 
 // content of the cache
 $cache = @json_decode( @file_get_contents( $CACHE_FILE, true ), true );
 $cache = $cache ?? [];
 
 // pages never seen before
 $unseen = [];
 
 // query the category members
 $queries =
 	$wiki->createQuery( [
 		'action'  => 'query',
 		'list'    => 'categorymembers',
 		'cmtitle' => $CATEGORY,
 	] );
 
-// for each API continuation
-foreach( $queries as $query ) {
+try {
 
-	$members = $query->query->categorymembers ?? null;
-	foreach( $members as $member ) {
+	// for each API continuation
+	foreach( $queries as $query ) {
 
-		// well
-		$pageid = $member->pageid;
-		$title  = $member->title;
+		$members = $query->query->categorymembers ?? null;
+		foreach( $members as $member ) {
 
-		// first time? save
-		if( !isset( $cache[ $pageid ] ) ) {
+			// well
+			$pageid = $member->pageid;
+			$title  = $member->title;
 
-			// this is a new page!
-			$unseen[] = $title;
+			// first time? save
+			if( !isset( $cache[ $pageid ] ) ) {
 
-			// let's remember it
-			$cache[ $pageid ] = [
-				'title' => $title,
-			];
-		}
+				// this is a new page!
+				$unseen[] = $title;
+
+				// let's remember it
+				$cache[ $pageid ] = [
+					'title' => $title,
+				];
+			}
 
-		// save the last seen date
-		$cache[ $pageid ][ 'lastseen' ] = time();
+			// save the last seen date
+			$cache[ $pageid ][ 'lastseen' ] = time();
+		}
 	}
+
+
+} catch( Exception $e ) {
+
+	// WTF
+	printf( "%s: %s\n",
+		get_class( $e ),
+		$e->getMessage()
+	);
+
+	// let's die
+	exit( 4 );
 }
 
 if( $unseen ) {
 
 	// get the body of the email
 	$body = file_get_contents( $CONFIGS['BODY' ] );
 
 	// build a markdown list of the unseen pages
 	$unseen_list = [];
 	foreach( $unseen as $title ) {
 
 		// create a title object
 		$title_object = $wiki->createTitleParsing( $title );
 
 		// eventually make the title shorter
 		$displayed_title =
 			$STRIP_BASE
 				? $title_object->getSubPageName()
 				: $title_object->getCompleteTitle();
 
 		// prepare a cute page body
 		$title_url = $title_object->getURL();
 		$unseen_list[] = $displayed_title;
 		$unseen_list[] = $title_url;
 		$unseen_list[] = '';
 	}
 
 	// one per line please
 	$unseen_list_txt = implode( "\n", $unseen_list );
 
 	// replace arguments in the mail body
 	$body = sprintf( $body,
 
 		// $1%s
 		$unseen_list_txt,
 
 		// %2$s
 		$CATEGORY,
 
 		// %3$s
 		$category_object->getURL(),
 
 		// %4$s
 		$CONFIGS['ORIGIN']
 	);
 
 	// replace arguments in the mail subject
 	$subject = sprintf(
 		$CONFIGS['SUBJECT'],
 		$CATEGORY
 	);
 
 	// send the email to the recipients
 	send_email( $subject, $body, $TO );
 
 }
 
 // save the results
 file_put_contents( $CACHE_FILE, json_encode( $cache, JSON_PRETTY_PRINT ) );