diff --git a/erpnext/config/selling.py b/erpnext/config/selling.py
index 63e7ad965da..9209ca96aa4 100644
--- a/erpnext/config/selling.py
+++ b/erpnext/config/selling.py
@@ -299,6 +299,12 @@ def get_data():
 					"name": "Customers Without Any Sales Transactions",
 					"doctype": "Customer"
 				},
+				{
+					"type": "report",
+					"is_query_report": True,
+					"name": "Sales Partners Commission",
+					"doctype": "Customer"
+				}
 			]
 		},
 		{
diff --git a/erpnext/hr/doctype/additional_salary/additional_salary.py b/erpnext/hr/doctype/additional_salary/additional_salary.py
index 9ca1260fe06..043f0df78dd 100644
--- a/erpnext/hr/doctype/additional_salary/additional_salary.py
+++ b/erpnext/hr/doctype/additional_salary/additional_salary.py
@@ -9,6 +9,12 @@ from frappe import _
 from frappe.utils import getdate, date_diff
 
 class AdditionalSalary(Document):
+	def before_insert(self):
+		if frappe.db.exists("Additional Salary", {"employee": self.employee, "salary_component": self.salary_component,
+			"amount": self.amount, "payroll_date": self.payroll_date, "company": self.company}):
+
+			frappe.throw(_("Additional Salary Component Exists."))
+
 	def validate(self):
 		self.validate_dates()
 		if self.amount < 0: