diff --git a/examples/produce_data_withOptional.ipynb b/examples/produce_data_withOptional.ipynb
index cb1caa1b911115aed335a700c1c81b4dbf74ebc3..2e7ee5e300fbbd9c38a50014a4c0b689a3e9ccc6 100644
--- a/examples/produce_data_withOptional.ipynb
+++ b/examples/produce_data_withOptional.ipynb
@@ -56,12 +56,12 @@
     "for year in range(0,19):\n",
     "    valid_data = Config(\n",
     "        grid,\n",
-    "        #TimeSample( start=dt(2000+year,1,1), end=dt(2000+year,12,31), sampling=\"daily\"),#possibly adopt range:-)\n",
-    "        TimeSample( start=dt(2000+year,1,1), end=dt(2000+year,12,31), sampling=\"monthly\"),#possibly adopt range:-)\n",
+    "        TimeSample( start=dt(2000+year,1,1), end=dt(2000+year,12,31), sampling=\"daily\"),#possibly adopt range:-)\n",
+    "        #TimeSample( start=dt(2000+year,1,1), end=dt(2000+year,12,31), sampling=\"monthly\"),#possibly adopt range:-)\n",
     "        [\"mole_fraction_of_ozone_in_air\"],#variable name\n",
     "        #[ \"mean\", \"dma8epax\"],# will start one request after another other...\n",
-    "        #[ \"dma8epa_strict\" ],\n",
-    "        [ \"mean\" ],\n",
+    "        [ \"dma8epa_strict\" ],\n",
+    "        #[ \"mean\" ],\n",
     "        details4Query\n",
     "    )\n",
     "    \n",
@@ -89,7 +89,7 @@
     "\n",
     "# maybe adopt the interval for requesting the results and the total duration, before the client pauses the requests.\n",
     "# as the requests take about 45min, it is more suitable to wait 60min before timing out the requests than the original 30min.\n",
-    "analysis_service.connection.setRequestTimes(interval_min=5, maxWait_min=60)\n",
+    "analysis_service.connection.set_request_times(interval_min=5, max_wait_minutes=60)\n",
     "\n",
     "for person, config in configs.items():\n",
     "    print(f\"\\nProcessing {person}:\")\n",
@@ -100,7 +100,7 @@
     "        time=config.time,\n",
     "        variables=config.variables,\n",
     "        stats=config.stats,\n",
-    "        contributors_path=result_basepath\n",
+    "        contributors_path=result_basepath,\n",
     "        **config.moreOptions\n",
     "    )\n",
     "\n",
diff --git a/src/toargridding/contributors.py b/src/toargridding/contributors.py
index af9b75909e91958876d12117bff4ef3fdcadc4cf..04ec406c5454b85cf4f40f92e3f8ef707900bf69 100644
--- a/src/toargridding/contributors.py
+++ b/src/toargridding/contributors.py
@@ -61,7 +61,8 @@ class contributions_manager_by_name(contributionsManager):
         for id in ids:
             names = self.id_to_names(id)
             for name in names:
-                self.timeseriesIDs.add(name)
+                if name != "N/A":
+                    self.timeseriesIDs.add(name)
     def id_to_names(self, id : int) -> list[str]:
         for pos in range(10):
             req_res = requests.get(f"https://toar-data.fz-juelich.de/api/v2/timeseries/{id}", timeout=40)