fix: set income account and cost center
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 3cce388..d1494b7 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -2522,6 +2522,8 @@
target.dunning_type = dunning_type.name
target.rate_of_interest = dunning_type.rate_of_interest
target.dunning_fee = dunning_type.dunning_fee
+ target.income_account = dunning_type.income_account
+ target.cost_center = dunning_type.cost_center
letter_text = get_dunning_letter_text(
dunning_type=dunning_type.name,
doc=target.as_dict(),