fix: reposting error `AttributeError: 'datetime.timedelta' object has no attribute 'replace'`
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index fb50b46..e7f55e9 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -263,7 +263,7 @@
 
 def validate_item_warehouse(args):
 	for field in ["item_code", "warehouse", "posting_date", "posting_time"]:
-		if not args.get(field):
+		if args.get(field) in [None, ""]:
 			validation_msg = f"The field {frappe.unscrub(field)} is required for the reposting"
 			frappe.throw(_(validation_msg))