diff --git a/frontend/src/components/Modals/DealModal.vue b/frontend/src/components/Modals/DealModal.vue
index 08260ef0..15147f69 100644
--- a/frontend/src/components/Modals/DealModal.vue
+++ b/frontend/src/components/Modals/DealModal.vue
@@ -147,15 +147,15 @@ const dealStatuses = computed(() => {
 })
 
 function createDeal() {
+  if (deal.website && !deal.website.startsWith('http')) {
+    deal.website = 'https://' + deal.website
+  }
   createResource({
     url: 'crm.fcrm.doctype.crm_deal.crm_deal.create_deal',
     params: { args: deal },
     auto: true,
     validate() {
       error.value = null
-      if (deal.website && !deal.website.startsWith('http')) {
-        deal.website = 'https://' + deal.website
-      }
       if (deal.annual_revenue) {
         deal.annual_revenue = deal.annual_revenue.replace(/,/g, '')
         if (isNaN(deal.annual_revenue)) {
@@ -182,6 +182,14 @@ function createDeal() {
       show.value = false
       router.push({ name: 'Deal', params: { dealId: name } })
     },
+    onError(err) {
+      isDealCreating.value = false
+      if (!err.messages) {
+        error.value = err.message
+        return
+      }
+      error.value = err.messages.join('\n')
+    },
   })
 }
 
diff --git a/frontend/src/components/Modals/LeadModal.vue b/frontend/src/components/Modals/LeadModal.vue
index d288196d..6a3d35fd 100644
--- a/frontend/src/components/Modals/LeadModal.vue
+++ b/frontend/src/components/Modals/LeadModal.vue
@@ -97,6 +97,10 @@ const leadStatuses = computed(() => {
 })
 
 function createNewLead() {
+  if (lead.website && !lead.website.startsWith('http')) {
+    lead.website = 'https://' + lead.website
+  }
+
   createLead.submit(lead, {
     validate() {
       error.value = null
@@ -104,9 +108,6 @@ function createNewLead() {
         error.value = __('First Name is mandatory')
         return error.value
       }
-      if (lead.website && !lead.website.startsWith('http')) {
-        lead.website = 'https://' + lead.website
-      }
       if (lead.annual_revenue) {
         lead.annual_revenue = lead.annual_revenue.replace(/,/g, '')
         if (isNaN(lead.annual_revenue)) {
@@ -133,6 +134,14 @@ function createNewLead() {
       show.value = false
       router.push({ name: 'Lead', params: { leadId: data.name } })
     },
+    onError(err) {
+      isLeadCreating.value = false
+      if (!err.messages) {
+        error.value = err.message
+        return
+      }
+      error.value = err.messages.join('\n')
+    },
   })
 }