diff --git a/apps/web/process/calculate/action.ts b/apps/web/process/calculate/action.ts
index ea87d90..b0d319f 100644
--- a/apps/web/process/calculate/action.ts
+++ b/apps/web/process/calculate/action.ts
@@ -53,9 +53,10 @@ export async function action({ store, trpcClient }: ProcessContext) {
         });
       }
     })
-    .catch((error) => {
+    .catch((error_) => {
+      const error = error_ as Error;
       notification.error({
-        description: JSON.stringify(error),
+        description: error.message,
         key,
         message: errorMessage,
         placement: 'bottomRight',
diff --git a/apps/web/process/create-kp/action.ts b/apps/web/process/create-kp/action.ts
index c704944..c1ea0dd 100644
--- a/apps/web/process/create-kp/action.ts
+++ b/apps/web/process/create-kp/action.ts
@@ -80,9 +80,10 @@ export function action({ store, trpcClient, apolloClient }: ProcessContext) {
         }
       }
     })
-    .catch((error) => {
+    .catch((error_) => {
+      const error = error_ as Error;
       notification.error({
-        description: JSON.stringify(error),
+        description: error.message,
         key,
         message: errorMessage,
         placement: 'bottomRight',