diff --git a/playground/nutech/issue/STCl-exampledata.json b/playground/nutech/issue/STCl-exampledata.json
index fc135322..0a7d29d1 100644
--- a/playground/nutech/issue/STCl-exampledata.json
+++ b/playground/nutech/issue/STCl-exampledata.json
@@ -4,7 +4,7 @@
     "fromentity": "HIS",
     "armyno": "AM-987",
     "issuevoucherno": "IV211",
-    "gmthmtno": "GM",
+    "gmthmtno": "GM321",
     "receivername",
     "cnicpa",
     "authorizationno",