diff --git a/src/View/InitialConditions/Table.py b/src/View/InitialConditions/Table.py
index 1f6e2e8a..c9db850f 100644
--- a/src/View/InitialConditions/Table.py
+++ b/src/View/InitialConditions/Table.py
@@ -38,7 +38,7 @@ from View.Tools.PamhyrTable import PamhyrTableModel
 from View.InitialConditions.UndoCommand import (
     SetCommand, AddCommand, DelCommand,
     SortCommand, MoveCommand, InsertCommand,
-    DuplicateCommand, GenerateCommand,
+    DuplicateCommand, GenerateCommand, ReplaceDataCommand,
 )
 
 logger = logging.getLogger()
@@ -267,8 +267,8 @@ class InitialConditionTableModel(PamhyrTableModel):
         )
 
         self._undo.push(
-            InsertCommand(
-                self._lst, index,
+            ReplaceDataCommand(
+                self._lst,
                 list(
                     map(
                         lambda d: self._lst.new_from_data(*d),
diff --git a/src/View/InitialConditions/UndoCommand.py b/src/View/InitialConditions/UndoCommand.py
index 64fb1a37..b2babd79 100644
--- a/src/View/InitialConditions/UndoCommand.py
+++ b/src/View/InitialConditions/UndoCommand.py
@@ -198,3 +198,25 @@ class GenerateCommand(QUndoCommand):
                                       self._param[1],
                                       self._option,
                                       self._param[2])
+
+
+class ReplaceDataCommand(QUndoCommand):
+    def __init__(self, ics, new_data):
+        QUndoCommand.__init__(self)
+
+        self._ics = ics
+        self._copy = self._ics.data
+        self._new_data = new_data
+        self._rows = list(range(len(ics.data)))
+        self._new_rows = list(range(len(new_data)))
+
+    def undo(self):
+        self._ics.delete_i(self._new_rows)
+        for row, el in enumerate(self._copy):
+            self._ics.insert(row, el)
+
+    def redo(self):
+        self._ics.delete_i(self._rows)
+        for row, el in enumerate(self._new_data):
+            self._ics.insert(row, el)
+
diff --git a/src/View/InitialConditions/Window.py b/src/View/InitialConditions/Window.py
index 58156cb1..c1717a37 100644
--- a/src/View/InitialConditions/Window.py
+++ b/src/View/InitialConditions/Window.py
@@ -276,11 +276,14 @@ class InitialConditionsWindow(PamhyrWindow):
                       .replace(".BIN", "")
 
         def reading():
-            self._tmp_results = solver.results(
-                self._study,
-                os.path.dirname(file_name),
-                name=name
-            )
+            try:
+                self._tmp_results = solver.results(
+                    self._study,
+                    os.path.dirname(file_name),
+                    name=name
+                )
+            except:
+                pass
 
         dlg = ReadingResultsDialog(
             reading_fn=reading,