diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.js b/erpnext/accounts/doctype/payment_entry/payment_entry.js
index 9c79d6dc4f42c77a20431456e3205707e5aa7fd6..5068faddf3380b85fe6aa021efb5af4a1b565a64 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.js
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.js
@@ -962,7 +962,7 @@ frappe.ui.form.on('Payment Entry', {
 			if(frm.doc.payment_type == "Receive"
 				&& frm.doc.base_total_allocated_amount < frm.doc.base_received_amount + total_deductions
 				&& frm.doc.total_allocated_amount < frm.doc.paid_amount + (total_deductions / frm.doc.source_exchange_rate)) {
-					unallocated_amount = (frm.doc.base_received_amount + total_deductions + flt(frm.doc.base_total_taxes_and_charges)
+					unallocated_amount = (frm.doc.base_received_amount + total_deductions - flt(frm.doc.base_total_taxes_and_charges)
 						- frm.doc.base_total_allocated_amount) / frm.doc.source_exchange_rate;
 			} else if (frm.doc.payment_type == "Pay"
 				&& frm.doc.base_total_allocated_amount < frm.doc.base_paid_amount - total_deductions
diff --git a/erpnext/accounts/report/gross_and_net_profit_report/gross_and_net_profit_report.py b/erpnext/accounts/report/gross_and_net_profit_report/gross_and_net_profit_report.py
index 19b4f8847f90c0585d622c4d7373537b54a61672..04b87bb07d648e6beb21868211f9be9533f710b5 100644
--- a/erpnext/accounts/report/gross_and_net_profit_report/gross_and_net_profit_report.py
+++ b/erpnext/accounts/report/gross_and_net_profit_report/gross_and_net_profit_report.py
@@ -133,7 +133,7 @@ def get_revenue(data, period_list, include_in_gross=1):
 
 def remove_parent_with_no_child(data):
 	data_to_be_removed = False
-	for parent in data:
+	for parent in list(data):
 		if "is_group" in parent and parent.get("is_group") == 1:
 			have_child = False
 			for child in data: