fix: set default posting time in RIV

(cherry picked from commit a7ece65)
(cherry picked from commit 1086a72)

Author: rohitwaghchaure

erpnext/stock/doctype/repost_item_valuation/repost_item_valuation.py

@@ -80,6 +80,7 @@ def repost_now(self):
 		repost(self)
 
 	def validate(self):
+		self.set_default_posting_time()
 		self.reset_repost_only_accounting_ledgers()
 		self.set_company()
 		self.validate_update_stock()
@@ -90,6 +91,13 @@ def validate(self):
 		self.reset_recreate_stock_ledgers()
 		self.validate_recreate_stock_ledgers()
 
+	def set_default_posting_time(self):
+		if not self.posting_time:
+			self.posting_time = nowtime()
+
+		if not self.posting_date:
+			frappe.throw(_("Posting date is required"))
+
 	def reset_repost_only_accounting_ledgers(self):
 		if self.repost_only_accounting_ledgers and self.based_on != "Transaction":
 			self.repost_only_accounting_ledgers = 0

erpnext/stock/stock_ledger.py

@@ -237,6 +237,8 @@ def repost_future_sle(
 
 	index = get_current_index(doc) or 0
 	while index < len(items_to_be_repost):
+		validate_item_warehouse(items_to_be_repost[index])
+
 		obj = update_entries_after(
 			{
 				"item_code": items_to_be_repost[index].get("item_code"),