diff --git a/rangeldigital/__pycache__/hooks.cpython-310.pyc b/rangeldigital/__pycache__/hooks.cpython-310.pyc
index 4438fd2..9811c15 100644
Binary files a/rangeldigital/__pycache__/hooks.cpython-310.pyc and b/rangeldigital/__pycache__/hooks.cpython-310.pyc differ
diff --git a/rangeldigital/hooks.py b/rangeldigital/hooks.py
index 5525498..d1b9a3a 100644
--- a/rangeldigital/hooks.py
+++ b/rangeldigital/hooks.py
@@ -27,6 +27,14 @@ scheduler_events = {
     }
 }
 
+# Document Events
+    # Override Contact-> Validate to avoid setting non-mobile numbers as Lead mobile_no field
+doc_events = {
+    "Contact": {
+        "validate": ["rangeldigital.utilities.contact.contact_hooks.update_lead_phone_numbers"]
+    }
+}
+
 # Disable default send_email_to_leads_or_contacts
 after_install = "rangeldigital.utilities.install.after_install"
 
diff --git a/rangeldigital/install.py b/rangeldigital/install.py
deleted file mode 100644
index ba4203b..0000000
--- a/rangeldigital/install.py
+++ /dev/null
@@ -1,26 +0,0 @@
-import frappe
-
-def after_install():
-    stop_erpnext_scheduled_send_email_job()
-
-def stop_erpnext_scheduled_send_email_job():
-    # Get list of Scheduled Job Type docs with that method
-    job_docs = frappe.get_all(
-        "Scheduled Job Type",
-        filters={"method": "erpnext.crm.doctype.email_campaign.email_campaign.send_email_to_leads_or_contacts"},
-        limit_page_length=1
-    )
-
-    if not job_docs:
-        frappe.msgprint("Scheduled Job Type not found.")
-        return
-
-    job_name = job_docs[0].name
-    job_doc = frappe.get_doc("Scheduled Job Type", job_name)
-
-    # Set stopped = 1
-    job_doc.stopped = 1
-    job_doc.save(ignore_permissions=True)
-    frappe.db.commit()
-
-    frappe.msgprint(f"Scheduled Job Type '{job_doc.method}' stopped successfully.")
diff --git a/rangeldigital/utilities/__pycache__/__init__.cpython-310.pyc b/rangeldigital/utilities/__pycache__/__init__.cpython-310.pyc
index 4664743..72914b3 100644
Binary files a/rangeldigital/utilities/__pycache__/__init__.cpython-310.pyc and b/rangeldigital/utilities/__pycache__/__init__.cpython-310.pyc differ
diff --git a/rangeldigital/utilities/contact/__pycache__/contact_hooks.cpython-310.pyc b/rangeldigital/utilities/contact/__pycache__/contact_hooks.cpython-310.pyc
new file mode 100644
index 0000000..029ebda
Binary files /dev/null and b/rangeldigital/utilities/contact/__pycache__/contact_hooks.cpython-310.pyc differ
diff --git a/rangeldigital/utilities/contact/contact_hooks.py b/rangeldigital/utilities/contact/contact_hooks.py
new file mode 100644
index 0000000..13eb69e
--- /dev/null
+++ b/rangeldigital/utilities/contact/contact_hooks.py
@@ -0,0 +1,27 @@
+import frappe
+
+# Override ERPNext's hook that will set a Lead's mobile_no field based on a Contact's phone number even if it's not a mobile number
+def update_lead_phone_numbers(contact, method):
+    if not contact.phone_nos:
+        return
+
+    contact_lead = contact.get_link_for("Lead")
+    if not contact_lead:
+        return
+
+    # Get list of phones explicitly marked as primary mobile numbers
+    mobile_nos = [
+        phone_doc.phone
+        for phone_doc in contact.phone_nos
+        if phone_doc.is_primary_mobile_no
+    ]
+
+    # If no mobile numbers were marked, clear Lead.mobile_no
+    if not mobile_nos:
+        lead = frappe.get_doc("Lead", contact_lead)
+
+        if lead.mobile_no:
+            # Optional: only unset if the current value matches one of the Contact's phones
+            contact_phone_values = {p.phone for p in contact.phone_nos}
+            if lead.mobile_no in contact_phone_values:
+                lead.db_set("mobile_no", None)
diff --git a/rangeldigital/utilities/lead/lead_api.py b/rangeldigital/utilities/lead/lead_api.py
index b4ff908..828856c 100644
--- a/rangeldigital/utilities/lead/lead_api.py
+++ b/rangeldigital/utilities/lead/lead_api.py
@@ -15,7 +15,7 @@ def add_lead_to_campaign(lead_name, campaign_name, start_date=None):
     })
 
     if existing:
-        frappe.throw("This Lead is already part of an Email Campaign with this name.")
+        frappe.throw("This Lead is already in this Email Campaign")
 
     doc = frappe.new_doc("Email Campaign")
     doc.update({