diff --git a/testD/osd6_issue_test.py b/testD/osd6_issue_test.py
new file mode 100644
index 0000000..219f795
--- /dev/null
+++ b/testD/osd6_issue_test.py
@@ -0,0 +1,123 @@
+# **************************************************************************************************************
+#
+#  Copyright 2020-2025 Robert Bosch GmbH
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+# **************************************************************************************************************
+#
+# osd6_issue_test.py
+#
+# XC-HWP/ESW3-Queckenstedt
+#
+# --------------------------------------------------------------------------------------------------------------
+#
+VERSION      = "0.1.0"
+VERSION_DATE = "28.01.2025"
+#
+# --------------------------------------------------------------------------------------------------------------
+
+import os, sys, time, platform
+import colorama as col
+
+from PythonExtensionsCollection.String.CString import CString
+from PythonExtensionsCollection.Utils.CUtils import *
+
+from robot import get_version
+
+# --------------------------------------------------------------------------------------------------------------
+# !!! the module under test !!!
+from JsonPreprocessor.CJsonPreprocessor import CJsonPreprocessor
+# --------------------------------------------------------------------------------------------------------------
+
+col.init(autoreset=True)
+
+COLBR = col.Style.BRIGHT + col.Fore.RED
+COLBY = col.Style.BRIGHT + col.Fore.YELLOW
+COLBG = col.Style.BRIGHT + col.Fore.GREEN
+COLBB = col.Style.BRIGHT + col.Fore.BLUE
+
+SUCCESS = 0
+ERROR   = 1
+
+# --------------------------------------------------------------------------------------------------------------
+
+def printerror(sMsg, prefix=None):
+   if prefix is None:
+      sError = COLBR + f"Error: {sMsg}!\n\n"
+   else:
+      sError = COLBR + f"{prefix}:\n{sMsg}!\n\n"
+   sys.stderr.write(sError)
+
+# --------------------------------------------------------------------------------------------------------------
+# [EXECUTION]
+# --------------------------------------------------------------------------------------------------------------
+#TM***
+
+print("Executing osd6_issue_test")
+print()
+
+# !!! the object under test !!!
+oJsonPreprocessor = CJsonPreprocessor()
+
+json_strdata = """
+{
+    "C"  : 1,
+    "params" : [
+                  2,
+                  {"A" : 3,
+                   "B" : [
+                            {
+                               "C" : 4,
+                               ${params.1.B.0.C} : 10,
+                               "D" : 5,
+                               ${params}[1]['B'][0]['D'] : 11
+                            },
+                            6
+                         ]
+                  },
+                  7
+               ]
+}
+"""
+
+parsed_data_jpp = oJsonPreprocessor.jsonLoads(json_strdata)
+PrettyPrintD(parsed_data_jpp)
+
+print()
+print("===== Environment")
+print()
+
+sOSName         = os.name
+sPlatformSystem = platform.system()
+sPython         = sys.executable
+sPythonVersion  = sys.version
+
+print(f" OS....: {sOSName} / {sPlatformSystem}")
+print(f" Python: {sPythonVersion} / '{sPython}'")
+print()
+
+ROBOTFRAMEWORKVERSION = get_version()
+print(f" RF: {ROBOTFRAMEWORKVERSION}")
+print()
+
+print("===== Installed packages")
+print()
+
+listofTuplesPackages, bSuccess, sResult = CUtils.GetInstalledPackages()
+
+for tuplePackages in listofTuplesPackages:
+    print(f"{tuplePackages}")
+
+sys.exit(0)
+