fix: set default party type in Payment Entry

erpnext/accounts/doctype/payment_entry/payment_entry.js

@@ -26,6 +26,10 @@ frappe.ui.form.on("Payment Entry", {
 		}
 
 		erpnext.accounts.dimensions.setup_dimension_filters(frm, frm.doctype);
+
+		if (frm.is_new()) {
+			set_default_party_type(frm);
+		}
 	},
 
 	setup: function (frm) {
@@ -403,6 +407,8 @@ frappe.ui.form.on("Payment Entry", {
 	},
 
 	payment_type: function (frm) {
+		set_default_party_type(frm);
+
 		if (frm.doc.payment_type == "Internal Transfer") {
 			$.each(
 				[
@@ -1776,3 +1782,16 @@ frappe.ui.form.on("Payment Entry Deduction", {
 		frm.events.set_unallocated_amount(frm);
 	},
 });
+
+function set_default_party_type(frm) {
+	if (frm.doc.party) return;
+
+	let party_type;
+	if (frm.doc.payment_type == "Receive") {
+		party_type = "Customer";
+	} else if (frm.doc.payment_type == "Pay") {
+		party_type = "Supplier";
+	}
+
+	if (party_type) frm.set_value("party_type", party_type);
+}