[fix] [minor] reset naming series in delete_company_transactions.py
diff --git a/erpnext/setup/doctype/company/delete_company_transactions.py b/erpnext/setup/doctype/company/delete_company_transactions.py
index f804f27..506ccff 100644
--- a/erpnext/setup/doctype/company/delete_company_transactions.py
+++ b/erpnext/setup/doctype/company/delete_company_transactions.py
@@ -49,7 +49,7 @@
# reset series
naming_series = meta.get_field("naming_series")
- if naming_series:
+ if naming_series and naming_series.options:
prefixes = sorted(naming_series.options.split("\n"), lambda a, b: len(b) - len(a))
for prefix in prefixes: