Merge branch 'bug/server-creation-no-servers' into 'dev'

Fix unhandeld serverjars api error

See merge request crafty-controller/crafty-4!392

CHANGELOG.md

@@ -6,6 +6,7 @@ None
 ### Bug fixes
 - Remove redundant path check on backup restore ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/390))
 - Fix issue with stats pinging on slow starting servers ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/391))
+- Fix unhandled exeption when serverjars api returns 'None' ([Merge Request](https://gitlab.com/crafty-controller/crafty-4/-/merge_requests/392))
 ### Tweaks
 None
 ### Lang

app/classes/web/server_handler.py

@@ -156,6 +156,9 @@ class ServerHandler(BaseHandler):
             page_data["js_server_types"] = json.dumps(
                 self.controller.server_jars.get_serverjar_data()
             )
+            if page_data["server_types"] is None:
+                page_data["server_types"] = []
+                page_data["js_server_types"] = []
             template = "server/wizard.html"
 
         if page == "bedrock_step1":