fix: validation for si

(cherry picked from commit 61c6ebb)

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -15,6 +15,9 @@
 	get_loyalty_program_details_with_points,
 	validate_loyalty_points,
 )
+from erpnext.accounts.doctype.repost_accounting_ledger.repost_accounting_ledger import (
+	validate_docs_for_deferred_accounting,
+)
 from erpnext.accounts.doctype.tax_withholding_category.tax_withholding_category import (
 	get_party_tax_withholding_details,
 )
@@ -173,6 +176,12 @@ def validate_accounts(self):
 		self.validate_account_for_change_amount()
 		self.validate_income_account()
 
+	def validate_for_repost(self):
+		self.validate_write_off_account()
+		self.validate_account_for_change_amount()
+		self.validate_income_account()
+		validate_docs_for_deferred_accounting([self.name], [])
+
 	def validate_fixed_asset(self):
 		for d in self.get("items"):
 			if d.is_fixed_asset and d.meta.get_field("asset") and d.asset:
@@ -539,7 +548,7 @@ def on_update_after_submit(self):
 				"taxes": ("account_head",),
 			}
 			self.needs_repost = self.check_if_fields_updated(fields_to_check, child_tables)
-			self.validate_accounts()
+			self.validate_for_repost()
 			self.db_set("repost_required", self.needs_repost)
 
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