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reminder-dashboard/src/components/Reminder/ButtonRow/CreateButtonRow.tsx

@@ -18,6 +18,12 @@ export const CreateButtonRow = () => {
     const queryClient = useQueryClient();
     const mutation = useMutation({
         ...(guild ? postGuildReminder(guild) : postUserReminder()),
+        onError: (error) => {
+            flash({
+                message: `An error occurred: ${error}`,
+                type: "error",
+            });
+        },
         onSuccess: (data) => {
             if (data.error) {
                 flash({

reminder-dashboard/src/components/Reminder/ButtonRow/EditButtonRow.tsx

@@ -19,6 +19,12 @@ export const EditButtonRow = () => {
     const flash = useFlash();
     const mutation = useMutation({
         ...(guild ? patchGuildReminder(guild) : patchUserReminder()),
+        onError: (error) => {
+            flash({
+                message: `An error occurred: ${error}`,
+                type: "error",
+            });
+        },
         onSuccess: (response) => {
             if (guild) {
                 queryClient.invalidateQueries({