Re #22901 Add top level try-catch to project recovery

MantidPlot/src/ApplicationWindow.cpp

@@ -16769,11 +16769,24 @@ bool ApplicationWindow::saveProjectRecovery(std::string destination) {
 }
 void ApplicationWindow::checkForProjectRecovery() {
-  if (!m_projectRecovery.checkForRecovery()) {
-    m_projectRecovery.startProjectSaving();
-    return;
+	if (!m_projectRecovery.checkForRecovery()) {
+		m_projectRecovery.startProjectSaving();
+		return;
+	}
+
+	// Recovery file present
+	try {
+		m_projectRecovery.attemptRecovery();
+	}
+	catch (std::exception &e) {
+		std::string err{ "Project Recovery failed to recover this checkpoint. Details: " };
+		err.append(e.what());
+	  g_log.error(err);
+	  QMessageBox::information(this, "Could Not Recover",
+		  "We could not fully recover your work.\nMantid will continue to run normally now.", "OK");
+
+	  // Restart project recovery manually
+	  m_projectRecovery.clearAllCheckpoints();
+	  m_projectRecovery.startProjectSaving();
   }
-
-  // Recovery file present
-  m_projectRecovery.attemptRecovery();
 }