diff --git a/boot.php b/boot.php
index f4f44a6447..1bc4c2a9a9 100644
--- a/boot.php
+++ b/boot.php
@@ -11,7 +11,7 @@ require_once('include/cache.php');
 define ( 'FRIENDICA_PLATFORM',     'Friendica');
 define ( 'FRIENDICA_VERSION',      '2.3.1303' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1136      );
+define ( 'DB_UPDATE_VERSION',      1137      );
 
 define ( 'EOL',                    "<br />\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
diff --git a/include/plugin.php b/include/plugin.php
index e37ae84357..25fd32b4f0 100644
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -34,7 +34,7 @@ function install_plugin($plugin){
 		);
 	}
 	else {
-		logger("Addons: FAILED installing " . $plugin);
+//		logger("Addons: FAILED installing " . $plugin);
 	}
 
 }}
diff --git a/update.php b/update.php
index 0c8486c316..1a36c754d8 100644
--- a/update.php
+++ b/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1136 );
+define( 'UPDATE_VERSION' , 1137 );
 
 /**
  *
@@ -1152,12 +1152,57 @@ function update_1135() {
 	//so change charset to be smaller
 	q("ALTER TABLE `config` CHANGE `cat` `cat` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL ,
 CHANGE `k` `k` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL"); 
-	//and add the index
-	q("ALTER TABLE `config` ADD UNIQUE `access` ( `cat` , `k` ) "); 
 	
 	//same thing for pconfig
 	q("ALTER TABLE `pconfig` CHANGE `cat` `cat` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL ,
 	CHANGE `k` `k` CHAR( 255 ) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL"); 
-	
+	// faulty update merged forward. Bad update in 1134 caused duplicate k,cat pairs
+	// these have to be cleared before the unique keys can be added.	
+}
+
+function update_1136() {
+
+	$arr = array();
+
+	// order in reverse so that we save the newest entry
+
+	$r = q("select * from config where 1 order by id desc");
+	if(count($r)) {
+		foreach($r as $rr) {
+			$found = false;
+			foreach($arr as $x) {
+				if($x['cat'] == $rr['cat'] && $x['k'] == $rr['k']) {
+					$found = true;
+					q("delete from config where id = %d limit 1",
+						intval($rr['id'])
+					);
+				}
+			}
+			if(! $found) {
+				$arr[] = $rr;
+			}
+		}
+	}
+			
+	$arr = array();
+	$r = q("select * from pconfig where 1 order by id desc");
+	if(count($r)) {
+		foreach($r as $rr) {
+			$found = false;
+			foreach($arr as $x) {
+				if($x['uid'] == $rr['uid'] && $x['cat'] == $rr['cat'] && $x['k'] == $rr['k']) {
+					$found = true;
+					q("delete from pconfig where id = %d limit 1",
+						intval($rr['id'])
+					);
+				}
+			}
+			if(! $found) {
+				$arr[] = $rr;
+			}
+		}
+	}
+	q("ALTER TABLE `config` ADD UNIQUE `access` ( `cat` , `k` ) "); 
 	q("ALTER TABLE `pconfig` ADD UNIQUE `access` ( `uid` , `cat` , `k` )"); 
+
 }
\ No newline at end of file