diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d0609d633..b2d596187 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up uv
       uses: astral-sh/setup-uv@v6
       with:
-        python-version: "3.14"
+        python-version: "3.13"  # Need to use 3.13 for docs build due to pythonnet dependency not yet supporting 3.14
         enable-cache: true
 
     - name: Set up Quarto
diff --git a/src/modelskill/model/adapters/_res1d.py b/src/modelskill/model/adapters/_res1d.py
index 8dc0c5ad9..63efdf014 100644
--- a/src/modelskill/model/adapters/_res1d.py
+++ b/src/modelskill/model/adapters/_res1d.py
@@ -12,16 +12,17 @@
 
 def _simplify_res1d_colnames(node: ResultNode | ResultGridPoint) -> pd.DataFrame:
     # We remove suffixes and indexes so the columns contain only the quantity names
+    RES1D_NAME_SEP = ":"
     df = node.to_dataframe()
-    quantities = node.quantities
     renamer_dict = {}
-    for quantity in quantities:
-        relevant_columns = [col for col in df.columns if quantity in col]
-        if len(relevant_columns) != 1:
+    for quantity in node.quantities:
+        column_pairs = [(col, quantity) for col in df.columns if quantity in col.split(RES1D_NAME_SEP)]
+        if len(column_pairs) != 1:
             raise ValueError(
-                f"There must be exactly one column per quantity, found {relevant_columns}."
+                f"There must be exactly one column per quantity, found {column_pairs}."
             )
-        renamer_dict[relevant_columns[0]] = quantity
+        old_name, new_name = column_pairs[0]
+        renamer_dict[old_name] = new_name
     return df.rename(columns=renamer_dict).copy()
 
 
diff --git a/src/modelskill/network.py b/src/modelskill/network.py
index ae3f492e0..184c27ee4 100644
--- a/src/modelskill/network.py
+++ b/src/modelskill/network.py
@@ -13,6 +13,8 @@
 
 from __future__ import annotations
 
+import sys
+
 from abc import ABC, abstractmethod
 from pathlib import Path
 from typing import Any, Sequence, overload, TYPE_CHECKING
@@ -357,9 +359,13 @@ def from_res1d(cls, res: str | Path | Res1D) -> Network:
         >>> network = Network.from_res1d("model.res1d")
         >>> network = Network.from_res1d(Res1D("model.res1d"))
         """
+        if sys.version_info >= (3, 14):
+            raise NotImplementedError(f"Current version of 'mikeio1d' requires python < 3.14 and {sys.version} is being used.")
+        
         from mikeio1d import Res1D as _Res1D
         from modelskill.model.adapters._res1d import Res1DReach
 
+
         if isinstance(res, (str, Path)):
             path = Path(res)
             if path.suffix.lower() != ".res1d":
diff --git a/tests/notebooks/test_notebooks.py b/tests/notebooks/test_notebooks.py
index 5bd369390..e44be8975 100644
--- a/tests/notebooks/test_notebooks.py
+++ b/tests/notebooks/test_notebooks.py
@@ -7,7 +7,8 @@
 
 _TEST_DIR = os.path.dirname(os.path.abspath(__file__))
 PARENT_DIR = os.path.join(_TEST_DIR, "../..")
-SKIP_LIST = ["Download", "Metocean_track_comparison_global", "Metrics_widget"]
+SKIP_LIST = ["Download", "Metocean_track_comparison_global", "Metrics_widget", "Collection_systems_network"]
+# We skip Collection_systems_network.ipynb since it uses Network.from_res1d() which uses pythonnet and, currently, it does not support python 3.14
 
 
 def _process_notebook(notebook_filename, notebook_path="notebooks"):
diff --git a/tests/test_network.py b/tests/test_network.py
index 90aec5583..6dc6e215f 100644
--- a/tests/test_network.py
+++ b/tests/test_network.py
@@ -1,6 +1,7 @@
 """Test network models and observations"""
 
 # ruff: noqa: E402
+import sys
 import pytest
 
 pytest.importorskip("networkx")
@@ -434,3 +435,10 @@ def test_matching_workflow_multiple_nodes(self, sample_network, sample_node_data
         for comparer in comparer_collection:
             assert "Network_Model" in comparer.mod_names
             assert comparer.n_points > 0
+
+
+@pytest.mark.skipif(sys.version_info >= (3, 14), reason="mikeio1d requires Python < 3.14")
+def test_open_res1d():
+    path_to_file = "./tests/testdata/network.res1d"
+    network = Network.from_res1d(path_to_file)
+    assert network.graph.number_of_nodes() == 259
\ No newline at end of file