fix: Revert Changes

erpnext/public/js/setup_wizard.js

@@ -139,10 +139,36 @@ erpnext.setup.slides_settings = [
 		},
 
 		validate: function () {
+			let me = this;
+			let exist;
+
 			if (!this.validate_fy_dates()) {
 				return false;
 			}
 
+			// Validate bank name
+			if(me.values.bank_account) { 
+				frappe.call({
+					async: false,
+					method: "erpnext.accounts.doctype.account.chart_of_accounts.chart_of_accounts.validate_bank_account",
+					args: {
+						"coa": me.values.chart_of_accounts,
+						"bank_account": me.values.bank_account
+					},
+					callback: function (r) {
+						if(r.message){
+							exist = r.message;
+							me.get_field("bank_account").set_value("");
+							let message = __('Account {0} already exists. Please enter a different name for your bank account.',
+								[me.values.bank_account]
+							);
+							frappe.msgprint(message);
+						}
+					}
+				});
+				return !exist; // Return False if exist = true
+			}
+
 			return true;
 		},