diff --git a/auth_quick_master/__manifest__.py b/auth_quick_master/__manifest__.py
index 69beba2b..4055a7e1 100644
--- a/auth_quick_master/__manifest__.py
+++ b/auth_quick_master/__manifest__.py
@@ -36,7 +36,7 @@
     "uninstall_hook": None,
 
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 
     # "demo_title": "Quick Authentication (Master)",
     # "demo_addons": [
diff --git a/saas/__manifest__.py b/saas/__manifest__.py
index ca8bd8c5..6addc442 100644
--- a/saas/__manifest__.py
+++ b/saas/__manifest__.py
@@ -9,7 +9,7 @@
     "category": "SaaS",
     # "live_test_url": "http://apps.it-projects.info/shop/product/DEMO-URL?version=14.0",
     "images": [],
-    "version": "15.0.3.1.0",
+    "version": "16.0.1.0.0",
     "application": False,
 
     "author": "IT-Projects LLC, Ivan Yelizariev",
diff --git a/saas_access_apps/__manifest__.py b/saas_access_apps/__manifest__.py
index 4619b72a..3f1bf240 100644
--- a/saas_access_apps/__manifest__.py
+++ b/saas_access_apps/__manifest__.py
@@ -15,5 +15,5 @@
     "demo": [],
     "application": False,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/saas_apps/__manifest__.py b/saas_apps/__manifest__.py
index 77da1190..aa46e035 100644
--- a/saas_apps/__manifest__.py
+++ b/saas_apps/__manifest__.py
@@ -40,5 +40,5 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/saas_apps_signup/__manifest__.py b/saas_apps_signup/__manifest__.py
index 70ad1c1b..e32b3ac2 100644
--- a/saas_apps_signup/__manifest__.py
+++ b/saas_apps_signup/__manifest__.py
@@ -44,5 +44,5 @@
     "post_init_hook": "post_init_hook",
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/saas_backups/__manifest__.py b/saas_backups/__manifest__.py
index 15ba4cc1..2b7e95bb 100644
--- a/saas_backups/__manifest__.py
+++ b/saas_backups/__manifest__.py
@@ -21,5 +21,5 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/saas_build_admin/__manifest__.py b/saas_build_admin/__manifest__.py
index 74a661a9..a3656e88 100644
--- a/saas_build_admin/__manifest__.py
+++ b/saas_build_admin/__manifest__.py
@@ -25,7 +25,7 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
     # "demo_title": "SaaS: build admin",
     # "demo_addons": [
     # ],
diff --git a/saas_cluster_simple/__manifest__.py b/saas_cluster_simple/__manifest__.py
index decc0023..7fa48f67 100644
--- a/saas_cluster_simple/__manifest__.py
+++ b/saas_cluster_simple/__manifest__.py
@@ -1,6 +1,6 @@
 {
     "name": "SaaS: Simple cluster",
-    "version": "15.0.0.1.1",
+    "version": "16.0.0.1.0",
     "author": "IT-Projects LLC, Eugene Molotov",
     "support": "it@it-projects.info",
     "license": "LGPL-3",
diff --git a/saas_cluster_simple/main.py b/saas_cluster_simple/main.py
index f8c99db1..c9338ec6 100644
--- a/saas_cluster_simple/main.py
+++ b/saas_cluster_simple/main.py
@@ -159,8 +159,8 @@ def deploy_backup(backup_name):
     }
 
 
-def signal_changes(db):
-    registry(db).signal_changes()
+def signal_changes(db_name):
+    registry(database_name=db_name).signal_changes()
 
 
 # Modified version of odoo.service.model.execute
diff --git a/saas_contract/__manifest__.py b/saas_contract/__manifest__.py
index 88da4cba..09fe6da5 100644
--- a/saas_contract/__manifest__.py
+++ b/saas_contract/__manifest__.py
@@ -37,7 +37,7 @@
     "uninstall_hook": None,
 
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 
     # "demo_title": "SaaS: Contracts",
     # "demo_addons": [
diff --git a/saas_database_limit/__manifest__.py b/saas_database_limit/__manifest__.py
index 1c54fdeb..3b6157e5 100644
--- a/saas_database_limit/__manifest__.py
+++ b/saas_database_limit/__manifest__.py
@@ -25,7 +25,7 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
     # "demo_title": "SaaS: Database limit",
     # "demo_addons": [
     # ],
diff --git a/saas_domain_names/__manifest__.py b/saas_domain_names/__manifest__.py
index 3833eae5..ba9716f1 100644
--- a/saas_domain_names/__manifest__.py
+++ b/saas_domain_names/__manifest__.py
@@ -20,5 +20,5 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/saas_expiration/__manifest__.py b/saas_expiration/__manifest__.py
index 3bf19959..489ed944 100644
--- a/saas_expiration/__manifest__.py
+++ b/saas_expiration/__manifest__.py
@@ -25,7 +25,7 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
     # "demo_title": "SaaS: build expiration",
     # "demo_addons": [
     # ],
diff --git a/saas_installed_apps/__manifest__.py b/saas_installed_apps/__manifest__.py
index 70c5f6e5..c8dc9ca4 100644
--- a/saas_installed_apps/__manifest__.py
+++ b/saas_installed_apps/__manifest__.py
@@ -14,5 +14,5 @@
     "depends": ["saas"],
     "data": ["views/saas_db.xml"],
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/saas_limit_max_users/__manifest__.py b/saas_limit_max_users/__manifest__.py
index 8b5141ab..4ae66f41 100644
--- a/saas_limit_max_users/__manifest__.py
+++ b/saas_limit_max_users/__manifest__.py
@@ -25,7 +25,7 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
     # "demo_title": "SaaS: limit max users (master)",
     # "demo_addons": [
     # ],
diff --git a/saas_operator_remote/__manifest__.py b/saas_operator_remote/__manifest__.py
index 0b3a28ec..9ec7ad89 100644
--- a/saas_operator_remote/__manifest__.py
+++ b/saas_operator_remote/__manifest__.py
@@ -7,7 +7,7 @@
     "category": "Hidden",
     # "live_test_url": "http://apps.it-projects.info/shop/product/DEMO-URL?version=14.0",
     "images": [],
-    "version": "15.0.1.0.0",
+    "version": "16.0.1.0.0",
     "application": False,
     "author": "IT-Projects LLC, Eugene Molotov",
     "support": "apps@it-projects.info",
diff --git a/saas_operator_remote/models/saas_operator.py b/saas_operator_remote/models/saas_operator.py
index 7dc8e99f..600e2aef 100644
--- a/saas_operator_remote/models/saas_operator.py
+++ b/saas_operator_remote/models/saas_operator.py
@@ -36,8 +36,8 @@ class SaasOperator(models.Model):
     _inherit = "saas.operator"
 
     type = fields.Selection(selection_add=[("remote", "Remote Instance")])
-    remote_instance_url = fields.Char("Instance URL")
-    remote_master_pwd = fields.Char("Master Password")
+    remote_instance_url = fields.Char(string="Instance URL")
+    remote_master_pwd = fields.Char(string="Master Password")
 
     def _create_db(self, template_db, db_name, demo, lang="en_US"):
         remote_ops = self.filtered(lambda op: op.type == "remote")
diff --git a/saas_portal/__manifest__.py b/saas_portal/__manifest__.py
index 28706ff2..80261f2a 100644
--- a/saas_portal/__manifest__.py
+++ b/saas_portal/__manifest__.py
@@ -29,5 +29,5 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/saas_product/__manifest__.py b/saas_product/__manifest__.py
index f34c4a17..e77989a7 100644
--- a/saas_product/__manifest__.py
+++ b/saas_product/__manifest__.py
@@ -25,7 +25,7 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
     # "demo_title": "SaaS: Product",
     # "demo_addons": [
     # ],
diff --git a/saas_public/__manifest__.py b/saas_public/__manifest__.py
index d37f07ba..273c7b6a 100644
--- a/saas_public/__manifest__.py
+++ b/saas_public/__manifest__.py
@@ -26,7 +26,7 @@
         "demo/public_saas_template_demo.xml",
     ],
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 
     # "demo_title": "{MODULE_NAME}",
     # "demo_addons": [
diff --git a/test_remote_saas/__manifest__.py b/test_remote_saas/__manifest__.py
index 177e48fb..3e790d9f 100644
--- a/test_remote_saas/__manifest__.py
+++ b/test_remote_saas/__manifest__.py
@@ -14,5 +14,5 @@
     "post_init_hook": None,
     "uninstall_hook": None,
     "auto_install": False,
-    "installable": True,
+    "installable": False,
 }
diff --git a/test_remote_saas_domain_names/__manifest__.py b/test_remote_saas_domain_names/__manifest__.py
index d44290ab..4f647928 100644
--- a/test_remote_saas_domain_names/__manifest__.py
+++ b/test_remote_saas_domain_names/__manifest__.py
@@ -8,5 +8,5 @@
     "data": [],
     "demo": [],
     "qweb": [],
-    "installable": True,
+    "installable": False,
 }