diff --git a/assets/release_notes.md b/assets/release_notes.md
index 7318fcd7..045ce4c8 100644
--- a/assets/release_notes.md
+++ b/assets/release_notes.md
@@ -1,3 +1,7 @@
+### 0.18.1 - April 2025
+---
+- Fix bug associated with handling invalid URLs
+
 ### 0.18.0 - April 2025
 ---
 - Adds ability to create new companies from the app
diff --git a/lib/api.dart b/lib/api.dart
index 4dfe3561..0bbb542a 100644
--- a/lib/api.dart
+++ b/lib/api.dart
@@ -287,65 +287,67 @@ class InvenTreeAPI {
   int get apiVersion => (serverInfo["apiVersion"] ?? 1) as int;
 
   // Consolidated search request API v102 or newer
-  bool get supportsConsolidatedSearch =>apiVersion >= 102;
+  bool get supportsConsolidatedSearch => apiVersion >= 102;
 
   // ReturnOrder supports API v104 or newer
-  bool get supportsReturnOrders =>apiVersion >= 104;
+  bool get supportsReturnOrders => apiVersion >= 104;
 
   // "Contact" model exposed to API
-  bool get supportsContactModel =>apiVersion >= 104;
+  bool get supportsContactModel => apiVersion >= 104;
 
   // Status label endpoints API v105 or newer
-  bool get supportsStatusLabelEndpoints =>apiVersion >= 105;
+  bool get supportsStatusLabelEndpoints => apiVersion >= 105;
 
   // Regex search API v106 or newer
-  bool get supportsRegexSearch =>apiVersion >= 106;
+  bool get supportsRegexSearch => apiVersion >= 106;
 
   // Order barcodes API v107 or newer
-  bool get supportsOrderBarcodes =>apiVersion >= 107;
+  bool get supportsOrderBarcodes => apiVersion >= 107;
 
   // Project codes require v109 or newer
-  bool get supportsProjectCodes =>apiVersion >= 109;
+  bool get supportsProjectCodes => apiVersion >= 109;
 
   // Does the server support extra fields on stock adjustment actions?
-  bool get supportsStockAdjustExtraFields =>apiVersion >= 133;
+  bool get supportsStockAdjustExtraFields => apiVersion >= 133;
 
   // Does the server support receiving items against a PO using barcodes?
-  bool get supportsBarcodePOReceiveEndpoint =>apiVersion >= 139;
+  bool get supportsBarcodePOReceiveEndpoint => apiVersion >= 139;
 
   // Does the server support adding line items to a PO using barcodes?
-  bool get supportsBarcodePOAddLineEndpoint =>apiVersion >= 153;
+  bool get supportsBarcodePOAddLineEndpoint => apiVersion >= 153;
 
   // Does the server support allocating stock to sales order using barcodes?
-  bool get supportsBarcodeSOAllocateEndpoint =>apiVersion >= 160;
+  bool get supportsBarcodeSOAllocateEndpoint => apiVersion >= 160;
 
   // Does the server support the "modern" test results API
   // Ref: https://github.com/inventree/InvenTree/pull/6430/
-  bool get supportsModernTestResults =>apiVersion >= 169;
+  bool get supportsModernTestResults => apiVersion >= 169;
 
   // Does the server support "null" top-level filtering for PartCategory and StockLocation endpoints?
-  bool get supportsNullTopLevelFiltering =>apiVersion < 174;
+  bool get supportsNullTopLevelFiltering => apiVersion < 174;
 
   // Does the server support "active" status on Company and SupplierPart API endpoints?
-  bool get supportsCompanyActiveStatus =>apiVersion >= 189;
+  bool get supportsCompanyActiveStatus => apiVersion >= 189;
 
   // Does the server support the "modern" (consolidated) label printing API?
-  bool get supportsModernLabelPrinting =>apiVersion >= 201;
+  bool get supportsModernLabelPrinting => apiVersion >= 201;
 
   // Does the server support the "modern" (consolidated) attachment API?
   // Ref: https://github.com/inventree/InvenTree/pull/7420
-  bool get supportsModernAttachments =>apiVersion >= 207;
+  bool get supportsModernAttachments => apiVersion >= 207;
+
+  bool get supportsUserPermissions => apiVersion >= 207;
 
   // Does the server support the "destination" field on the PurchaseOrder model?
   // Ref: https://github.com/inventree/InvenTree/pull/8403
-  bool get supportsPurchaseOrderDestination =>apiVersion >= 276;
+  bool get supportsPurchaseOrderDestination => apiVersion >= 276;
 
   // Does the server support the "start_date" field for orders?
   // Ref: https://github.com/inventree/InvenTree/pull/8966
-  bool get supportsStartDate =>apiVersion >= 306;
+  bool get supportsStartDate => apiVersion >= 306;
 
   // Supports separate search against "supplier" / "customer" / "manufacturer"
-  bool get supportsSplitCompanySearch =>apiVersion >= 315;
+  bool get supportsSplitCompanySearch => apiVersion >= 315;
 
   // Cached list of plugins (refreshed when we connect to the server)
   List<InvenTreePlugin> _plugins = [];
@@ -725,7 +727,12 @@ class InvenTreeAPI {
     }
 
     roles = (data["roles"] ?? {}) as Map<String, dynamic>;
-    permissions = (data["permissions"] ?? {}) as Map<String, dynamic>;
+
+    if (supportsUserPermissions && data.containsKey("permissions")) {
+      permissions = (data["permissions"] ?? {}) as Map<String, dynamic>;
+    } else {
+      permissions = {};
+    }
 
     return true;
   }
@@ -1194,6 +1201,15 @@ class InvenTreeAPI {
 
     var _url = makeApiUrl(url);
 
+    if (_url.isEmpty) {
+      showServerError(
+          url,
+          L10().invalidHost,
+          L10().invalidHostDetails
+      );
+      return null;
+    }
+
     // Add any required query parameters to the URL using ?key=value notation
     if (urlParams.isNotEmpty) {
       String query = "?";
@@ -1210,13 +1226,12 @@ class InvenTreeAPI {
 
     Uri? _uri = Uri.tryParse(_url);
 
-    if (_uri == null) {
-      showServerError(url, L10().invalidHost, L10().invalidHostDetails);
-      return null;
-    }
-
-    if (_uri.host.isEmpty) {
-      showServerError(url, L10().invalidHost, L10().invalidHostDetails);
+    if (_uri == null || _uri.host.isEmpty) {
+      showServerError(
+          _url,
+          L10().invalidHost,
+          L10().invalidHostDetails
+      );
       return null;
     }
 
diff --git a/lib/widget/dialogs.dart b/lib/widget/dialogs.dart
index 7812c7ff..90b0e290 100644
--- a/lib/widget/dialogs.dart
+++ b/lib/widget/dialogs.dart
@@ -228,13 +228,15 @@ Future<void> showServerError(String url, String title, String description) async
     playAudioFile("sounds/server_error.mp3");
   }
 
+  description += "\nURL: $url";
+
   showSnackIcon(
     title,
     success: false,
     actionText: L10().details,
     onAction: () {
       showErrorDialog(
-          L10().serverError,
+          title,
           description: description,
           icon: TablerIcons.server
       );
diff --git a/pubspec.yaml b/pubspec.yaml
index ef926b5b..d5684f0e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: inventree
 description: InvenTree stock management
 
-version: 0.18.0+97
+version: 0.18.1+98
 
 environment:
   sdk: ">=2.19.5 <3.13.0"