diff --git a/doc/main.bb b/doc/main.bb
index e7fd2894c..1fd234420 100644
--- a/doc/main.bb
+++ b/doc/main.bb
@@ -78,6 +78,7 @@ Zot is the great new communicaton protocol invented especially for the RedMatrix
 [url=https://github.com/friendica/red]Main Website[/url]
 [url=https://github.com/friendica/red-addons]Addon Website[/url]
 [url=https://zothub.com/channel/one]Development Channel[/url]
+[url=https://federated.social/channel/postgres]Postgres-specific RedMatrix Admin Support Channel[/url]
 
 [url=[baseurl]/help/credits]RedMatrix Credits[/url]
 
diff --git a/include/zot.php b/include/zot.php
index 3d92f7824..780c6a265 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -2919,7 +2919,7 @@ function zot_process_message_request($data) {
 
 		$r = q("select hubloc_guid, hubloc_url, hubloc_sitekey, hubloc_network, hubloc_flags, hubloc_callback, hubloc_host 
 			from hubloc where hubloc_hash = '%s' and not (hubloc_flags & %d)>0
-			and not (hubloc_status & %d)>0 group by hubloc_sitekey",
+			and not (hubloc_status & %d)>0 ",
 			dbesc($sender_hash),
 			intval(HUBLOC_FLAGS_DELETED),
 			intval(HUBLOC_OFFLINE)
diff --git a/install/migrate-mypg.php b/install/migrate-mypg.php
index 10bf1e387..cfd4f681a 100644
--- a/install/migrate-mypg.php
+++ b/install/migrate-mypg.php
@@ -33,7 +33,7 @@ function parse_htconfig($file) {
 function get_configtype(array $data) {
 	if(!isset($data['host'], $data['user'], $data['pass'], $data['data']))
 		return 'none';
-	if($data['type'] == 1)
+	if(@$data['type'] == 1)
 		return 'pgsql';
 	return 'mysql';
 }
@@ -112,7 +112,7 @@ foreach(array('install','include','mod','view') as $dir) {
 }
 
 $cfgfile = '.htconfig.php';
-if($argv[1] == '--resume') {
+if($argc >= 2 && $argv[1] == '--resume') {
 	if($argc < 4) {
 		echo "Resume usage {$argv[0]} --resume <table> <row>\n";
 		exit();
diff --git a/install/migrate_mypg_fixseq.sql b/install/migrate_mypg_fixseq.sql
index 806c5cf31..fde187dc7 100644
--- a/install/migrate_mypg_fixseq.sql
+++ b/install/migrate_mypg_fixseq.sql
@@ -52,4 +52,4 @@
  SELECT SETVAL('public.xign_id_seq', COALESCE(MAX(id), 1) ) FROM public.xign;
  SELECT SETVAL('public.xlink_xlink_id_seq', COALESCE(MAX(xlink_id), 1) ) FROM public.xlink;
  SELECT SETVAL('public.xtag_xtag_id_seq', COALESCE(MAX(xtag_id), 1) ) FROM public.xtag;
-
+ SELECT SETVAL('public.xperm_xp_id_seq', COALESCE(MAX(xp_id), 1) ) FROM public.xperm;