diff --git a/src/ert/gui/suggestor/_suggestor_message.py b/src/ert/gui/suggestor/_suggestor_message.py
index 5037d30f22b..126c58dab5d 100644
--- a/src/ert/gui/suggestor/_suggestor_message.py
+++ b/src/ert/gui/suggestor/_suggestor_message.py
@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING
-
 from PyQt5 import QtSvg
 from PyQt5.QtCore import Qt
 from PyQt5.QtGui import QColor
@@ -10,9 +8,10 @@
     QHBoxLayout,
     QLabel,
     QSizePolicy,
+    QVBoxLayout,
     QWidget,
 )
-from typing_extensions import Self
+from typing_extensions import Any, Self
 
 from ._colors import (
     BLUE_BACKGROUND,
@@ -23,9 +22,6 @@
     YELLOW_TEXT,
 )
 
-if TYPE_CHECKING:
-    from ert.config import ErrorInfo, WarningInfo
-
 
 def _svg_icon(image_name: str) -> QtSvg.QSvgWidget:
     widget = QtSvg.QSvgWidget(f"img:{image_name}.svg")
@@ -40,7 +36,8 @@ def __init__(
         text_color: str,
         bg_color: str,
         icon: QWidget,
-        info: ErrorInfo,
+        message: str,
+        locations: list[str],
     ) -> None:
         super().__init__()
         self.setAttribute(Qt.WidgetAttribute.WA_StyledBackground)
@@ -58,39 +55,111 @@ def __init__(
         self.setGraphicsEffect(shadowEffect)
         self.setContentsMargins(0, 0, 0, 0)
 
-        self.icon = icon
-        info.message = info.message.replace("<", "&lt;").replace(">", "&gt;")
-        self.lbl = QLabel(
-            '<div style="font-size: 16px; line-height: 24px;">'
-            + f'<b style="color: {text_color}">'
-            + header
-            + "</b>"
-            + info.message
-            + "<p>"
-            + info.location()
-            + "</p>"
-            + "</div>"
-        )
+        self._icon = icon
+        self._message = message.replace("<", "&lt;").replace(">", "&gt;")
+        self._locations = locations
+        self._header = header
+        self._text_color = text_color
+
+        self._hbox = QHBoxLayout()
+        self._hbox.setContentsMargins(16, 16, 16, 16)
+        self._hbox.addWidget(self._icon, alignment=Qt.AlignmentFlag.AlignTop)
+        self.setLayout(self._hbox)
+
+        self.lbl = QLabel(self._collapsed_text())
+        self.lbl.setOpenExternalLinks(False)
         self.lbl.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
         self.lbl.setTextInteractionFlags(Qt.TextInteractionFlag.TextSelectableByMouse)
         self.lbl.setWordWrap(True)
+        self._expanded = False
+        if len(self._locations) > 1:
+            self._expand_collapse_label = QLabel(self._expand_link())
+            self._expand_collapse_label.setOpenExternalLinks(False)
+            self._expand_collapse_label.linkActivated.connect(self._toggle_expand)
+
+            self._vbox = QWidget()
+            layout = QVBoxLayout()
+            self._vbox.setLayout(layout)
+            layout.addWidget(self.lbl)
+            layout.addWidget(self._expand_collapse_label)
+            self._hbox.addWidget(self._vbox, alignment=Qt.AlignmentFlag.AlignTop)
+        else:
+            self._expand_collapse_label = QLabel()
+            self._hbox.addWidget(self.lbl, alignment=Qt.AlignmentFlag.AlignTop)
+
+    def _toggle_expand(self, _link: Any) -> None:
+        if self._expanded:
+            self.lbl.setText(self._collapsed_text())
+            self._expand_collapse_label.setText(self._expand_link())
+        else:
+            self.lbl.setText(self._expanded_text())
+            self._expand_collapse_label.setText(self._hide_link())
+        self._expanded = not self._expanded
+
+    def _hide_link(self) -> str:
+        return " <a href=#morelocations>show less</a>"
+
+    def _expand_link(self) -> str:
+        return f" <a href=#morelocations>and {len(self._locations) - 1} more</a>"
+
+    def _collapsed_text(self) -> str:
+        location_paragraph = ""
+        if self._locations:
+            location_paragraph = self._locations[0]
+            location_paragraph = (
+                "<p>" + self._color_bold("location: ") + location_paragraph + "</p>"
+            )
 
-        self.hbox = QHBoxLayout()
-        self.hbox.setContentsMargins(16, 16, 16, 16)
-        self.hbox.addWidget(self.icon, alignment=Qt.AlignmentFlag.AlignTop)
-        self.hbox.addWidget(self.lbl, alignment=Qt.AlignmentFlag.AlignTop)
-        self.setLayout(self.hbox)
+        return self._text(location_paragraph)
+
+    def _expanded_text(self) -> str:
+        location_paragraphs = ""
+        first = True
+        for loc in self._locations:
+            if first:
+                location_paragraphs += f'<p>{self._color_bold("location:")}{loc}</p>'
+                first = False
+            else:
+                location_paragraphs += f"<p>{loc}</p>"
+
+        return self._text(location_paragraphs)
+
+    def _text(self, location: str) -> str:
+        return (
+            '<div style="font-size: 16px; line-height: 24px;">'
+            + self._color_bold(self._header)
+            + self._message
+            + location
+            + "</div>"
+        )
+
+    def _color_bold(self, text: str) -> str:
+        return f'<b style="color: {self._text_color}">{text}</b>'
 
     @classmethod
-    def error_msg(cls, info: ErrorInfo) -> Self:
-        return cls("Error: ", RED_TEXT, RED_BACKGROUND, _svg_icon("error"), info)
+    def error_msg(cls, message: str, locations: list[str]) -> Self:
+        return cls(
+            "Error: ", RED_TEXT, RED_BACKGROUND, _svg_icon("error"), message, locations
+        )
 
     @classmethod
-    def warning_msg(cls, info: WarningInfo) -> Self:
+    def warning_msg(cls, message: str, locations: list[str]) -> Self:
         return cls(
-            "Warning: ", YELLOW_TEXT, YELLOW_BACKGROUND, _svg_icon("warning"), info
+            "Warning: ",
+            YELLOW_TEXT,
+            YELLOW_BACKGROUND,
+            _svg_icon("warning"),
+            message,
+            locations,
         )
 
     @classmethod
-    def deprecation_msg(cls, info: WarningInfo) -> Self:
-        return cls("Deprecation: ", BLUE_TEXT, BLUE_BACKGROUND, _svg_icon("bell"), info)
+    def deprecation_msg(cls, message: str, locations: list[str]) -> Self:
+        return cls(
+            "Deprecation: ",
+            BLUE_TEXT,
+            BLUE_BACKGROUND,
+            _svg_icon("bell"),
+            message,
+            locations,
+        )
diff --git a/src/ert/gui/suggestor/suggestor.py b/src/ert/gui/suggestor/suggestor.py
index df62218bcbb..5f8f397f3dc 100644
--- a/src/ert/gui/suggestor/suggestor.py
+++ b/src/ert/gui/suggestor/suggestor.py
@@ -3,7 +3,8 @@
 import functools
 import logging
 import webbrowser
-from typing import TYPE_CHECKING, Callable, Dict, List, Optional
+from collections import defaultdict
+from typing import TYPE_CHECKING, Callable, Dict, List, Optional, Sequence
 
 from PyQt5.QtGui import QCursor
 from qtpy.QtCore import Qt
@@ -33,6 +34,13 @@ def _clicked_help_button(menu_label: str, link: str) -> None:
     webbrowser.open(link)
 
 
+def _combine_messages(infos: Sequence[ErrorInfo]) -> list[tuple[str, list[str]]]:
+    combined = defaultdict(list)
+    for info in infos:
+        combined[info.message].append(info.location())
+    return list(combined.items())
+
+
 LIGHT_GREY = "#f7f7f7"
 MEDIUM_GREY = "#eaeaea"
 HEAVY_GREY = "#dcdcdc"
@@ -232,6 +240,7 @@ def _messages(
         NUM_COLUMNS = 2
 
         suggest_msgs = QWidget(parent=self)
+        suggest_msgs.setObjectName("suggestor_messages")
         suggest_msgs.setContentsMargins(0, 0, 16, 0)
         suggest_layout = QGridLayout()
         suggest_layout.setContentsMargins(0, 0, 0, 0)
@@ -241,20 +250,24 @@ def _messages(
         column = 0
         row = 0
         num = 0
-        for msg in errors:
-            suggest_layout.addWidget(SuggestorMessage.error_msg(msg), row, column)
+        for combined in _combine_messages(errors):
+            suggest_layout.addWidget(SuggestorMessage.error_msg(*combined), row, column)
             if column:
                 row += 1
             column = (column + 1) % NUM_COLUMNS
             num += 1
-        for msg in warnings:
-            suggest_layout.addWidget(SuggestorMessage.warning_msg(msg), row, column)
+        for combined in _combine_messages(warnings):
+            suggest_layout.addWidget(
+                SuggestorMessage.warning_msg(*combined), row, column
+            )
             if column:
                 row += 1
             column = (column + 1) % NUM_COLUMNS
             num += 1
-        for msg in deprecations:
-            suggest_layout.addWidget(SuggestorMessage.deprecation_msg(msg), row, column)
+        for combined in _combine_messages(deprecations):
+            suggest_layout.addWidget(
+                SuggestorMessage.deprecation_msg(*combined), row, column
+            )
             if column:
                 row += 1
             column = (column + 1) % NUM_COLUMNS
diff --git a/tests/unit_tests/gui/test_suggestor.py b/tests/unit_tests/gui/test_suggestor.py
new file mode 100644
index 00000000000..a04366e07cc
--- /dev/null
+++ b/tests/unit_tests/gui/test_suggestor.py
@@ -0,0 +1,23 @@
+import pytest
+from qtpy.QtWidgets import QWidget
+
+from ert.config import ErrorInfo
+from ert.gui.suggestor import Suggestor
+
+
+@pytest.mark.parametrize(
+    "errors, expected_num",
+    [
+        ([ErrorInfo("msg_1")], 1),
+        ([ErrorInfo("msg_1"), ErrorInfo("msg_2")], 2),
+        ([ErrorInfo("msg_1"), ErrorInfo("msg_1"), ErrorInfo("msg_2")], 2),
+        ([ErrorInfo("msg_1"), ErrorInfo("msg_2"), ErrorInfo("msg_3")], 3),
+    ],
+)
+def test_suggestor_combines_errors_with_the_same_message(qtbot, errors, expected_num):
+    suggestor = Suggestor(errors, [], [], lambda: None)
+    msgs = suggestor.findChild(QWidget, name="suggestor_messages")
+    assert msgs is not None
+    msg_layout = msgs.layout()
+    assert msg_layout is not None
+    assert msg_layout.count() == expected_num