fix: code improvement, match error type for message
diff --git a/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.js b/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.js
index 7425132..6dc4643 100644
--- a/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.js
+++ b/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.js
@@ -92,7 +92,7 @@
 							frm.refresh_field('customers');
 						}
 						else{
-							frappe.msgprint('No Customers found with selected options.');
+							frappe.throw('No Customers found with selected options.');
 						}
 					}
 				}
diff --git a/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.py b/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.py
index 38f5488..43fbb06 100644
--- a/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.py
+++ b/erpnext/accounts/doctype/process_statement_of_accounts/process_statement_of_accounts.py
@@ -126,13 +126,11 @@
 	sales_person_records = frappe._dict()
 	for d in records:
 		sales_person_records.setdefault(d.parenttype, set()).add(d.parent)
-	
-	try:
-		customers = frappe.get_list('Customer', fields=['name', 'email_id'], \
+	if sales_person_records.get('Customer'):
+		return frappe.get_list('Customer', fields=['name', 'email_id'], \
 			filters=[['name', 'in', list(sales_person_records['Customer'])]])
-	except:
-		customers = []
-	return customers
+	else:
+		return []
 
 def get_recipients_and_cc(customer, doc):
 	recipients = []