--- a/src/eric7/EricWidgets/EricErrorMessage.py	Sun Nov 03 17:50:34 2024 +0100
+++ b/src/eric7/EricWidgets/EricErrorMessage.py	Sun Nov 03 18:12:28 2024 +0100
@@ -81,6 +81,9 @@
         @param parent reference to the parent widget
         @type QWidget
         """
+        if parent is None:
+            parent = QCoreApplication.instance().getMainWindow()
+
         super().__init__(parent)
 
     def showMessage(self, message, msgType=""):