diff --git a/source/pages/invitation_create/logic.ts b/source/pages/invitation_create/logic.ts
index 7206797..1675a69 100644
--- a/source/pages/invitation_create/logic.ts
+++ b/source/pages/invitation_create/logic.ts
@@ -226,15 +226,7 @@ lib_plankton.zoo_page.register(
 						const value = await get_value();
 						const result : {id : int; key : string;} = await _espe.backend.invitation_create(
 							value.data,
-							value.send_immediatly,
-							lib_plankton.zoo_page.encode(
-								{
-									"name": "invitation_handle",
-									"parameters": {
-										"key": "{{key}}",
-									}
-								}
-							)
+							value.send_immediatly
 						);
 						lib_plankton.zoo_page.set(
 							false
diff --git a/source/pages/invitation_handle/logic.ts b/source/pages/invitation_handle/logic.ts
index f8f5226..a48e677 100644
--- a/source/pages/invitation_handle/logic.ts
+++ b/source/pages/invitation_handle/logic.ts
@@ -157,7 +157,10 @@ lib_plankton.zoo_page.register(
 									group_data.order.map(
 										group_id => group_id.toFixed(0)
 									),
-									group_id_encoded => group_data.pool.get(parseInt(group_id_encoded)).label
+									group_id_encoded => group_data.pool.get(parseInt(group_id_encoded)).label,
+									{
+										"read_only": (! data.groups_changeable),
+									}
 								),
 								(value_inner) => {
 									const array : Array<int> = [];
diff --git a/source/pages/password_change_init/logic.ts b/source/pages/password_change_init/logic.ts
index f9f580f..e2142c0 100644
--- a/source/pages/password_change_init/logic.ts
+++ b/source/pages/password_change_init/logic.ts
@@ -50,16 +50,7 @@ lib_plankton.zoo_page.register(
 						const value = await get_value();
 						(
 							_espe.backend.member_password_change_initialize(
-								value.identifier,
-								lib_plankton.zoo_page.encode(
-									{
-										"name": "password_change_exec",
-										"parameters": {
-											"id": "{{id}}",
-											"token": "{{token}}",
-										}
-									}
-								)
+								value.identifier
 							)
 							.then(
 								() => {
diff --git a/source/resources/backend.ts b/source/resources/backend.ts
index 1998cfe..0c0582e 100644
--- a/source/resources/backend.ts
+++ b/source/resources/backend.ts
@@ -392,8 +392,7 @@ namespace _espe.backend
 	/**
 	 */
 	export async function member_password_change_initialize(
-		identifier : string,
-		url_template : string
+		identifier : string
 	) : Promise<string>
 	{
 		return (
@@ -402,8 +401,7 @@ namespace _espe.backend
 				"/member/password_change/initialize",
 				{
 					"data": {
-						"identifier": identifier,
-						"url_template": url_template,
+						"identifier": identifier
 					},
 				}
 			)
@@ -518,7 +516,6 @@ namespace _espe.backend
 			expiry : (null | int);
 		},
 		send_immediatly : boolean,
-		notification_target_url_template : (null | string)
 	) : Promise<
 		{
 			id : int;
@@ -532,7 +529,6 @@ namespace _espe.backend
 			{
 				"data": {
 					"data": data,
-					"notification_target_url_template": notification_target_url_template,
 					"send_immediatly": send_immediatly,
 				}
 			}