fix: add more validations, remove source wh req for pl item
diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index b90d54d..8f01edd 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -695,25 +695,28 @@
 	def validate_scrap_items(self):
 		for item in self.scrap_items:
 			if item.item_code == self.item and not item.is_process_loss:
-				frappe.throw(_('Scrap/Loss Item:') + f' {frappe.bold(item.item_code)} ' +\
-					_('should have') + ' ' + frappe.bold(_('Is Process Loss')) + ' ' + ('checked.'))
+				frappe.throw(_('Scrap/Loss Item:') + f' {frappe.bold(item.item_code)} ' +
+					_('should have') + ' ' + frappe.bold(_('Is Process Loss')) + ' ' + ('checked'))
 			elif item.item_code != self.item and item.is_process_loss:
-				frappe.throw(_('Scrap/Loss Item:') + f' {frappe.bold(item.item_code)} ' +\
-					_('should not have') + ' ' + frappe.bold(_('Is Process Loss')) + ' ' + ('checked.'))
+				frappe.throw(_('Scrap/Loss Item:') + f' {frappe.bold(item.item_code)} ' +
+					_('should not have') + ' ' + frappe.bold(_('Is Process Loss')) + ' ' + ('checked'))
 
-			stock_uom = item.stock_uom
-			must_be_whole_number = frappe.get_value("UOM", stock_uom, "must_be_whole_number")
+			must_be_whole_number = frappe.get_value("UOM", item.stock_uom, "must_be_whole_number")
 			if item.is_process_loss and must_be_whole_number:
-				frappe.throw(_('Item:') + f' {frappe.bold(item.item_code)} ' +\
-					_('with Stock UOM:') + f' {frappe.bold(stock_uom)} '+\
-					_('cannot be a Scrap/Loss Item.'))
+				frappe.throw(_('Item:') + f' {frappe.bold(item.item_code)} ' +
+					_('with Stock UOM:') + f' {frappe.bold(item.stock_uom)} ' +
+					_('cannot be a Scrap/Loss Item'))
 
 			if item.is_process_loss and (item.stock_qty >= self.quantity):
-				frappe.throw(_('Scrap/Loss Item:') + f' {item.item_code} ' +\
-					_('should have') +' '+frappe.bold(_('Qty')) +\
-					' ' + _('less than finished goods') + ' ' +\
-					frappe.bold(_('Quantity.')))
+				frappe.throw(_('Scrap/Loss Item:') + f' {item.item_code} ' +
+					_('should have') +' '+frappe.bold(_('Qty')) + ' ' +
+					_('less than finished goods') + ' ' + frappe.bold(_('Quantity')))
 
+			if item.is_process_loss and (item.rate > 0):
+				frappe.throw(_('Scrap/Loss Item:') + f' {item.item_code} ' +
+					_('should have') + ' ' + frappe.bold(_('Rate')) +
+					' ' + _('set to 0 because') + ' ' +
+					frappe.bold(_('Is Process Loss')) + ' ' + _('is checked'))
 
 def get_bom_item_rate(args, bom_doc):
 	if bom_doc.rm_cost_as_per == 'Valuation Rate':
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index 4f724ec..21c0e75 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -334,7 +334,7 @@
 
 			if self.purpose == "Manufacture":
 				if validate_for_manufacture:
-					if d.is_finished_item or d.is_scrap_item:
+					if d.is_finished_item or d.is_scrap_item or d.is_process_loss:
 						d.s_warehouse = None
 						if not d.t_warehouse:
 							frappe.throw(_("Target warehouse is mandatory for row {0}").format(d.idx))