Geometry: Add import exception handler.

src/Model/Except.py

@@ -21,7 +21,7 @@ from PyQt5.QtCore import (
 )
 
 from PyQt5.QtWidgets import (
-    QApplication, QMessageBox,
+    QApplication, QMessageBox, QLabel,
 )
 
 _translate = QCoreApplication.translate
@@ -34,6 +34,7 @@ _translate = QCoreApplication.translate
 def exception_message_box(exception):
     msg = QMessageBox()
     msg.setIcon(QMessageBox.Critical)
+    msg.findChild(QLabel, "qt_msgbox_label").setFixedWidth(384)
 
     msg.setText("Exception :")
     msg.setInformativeText(f"{exception}")

src/Model/Geometry/Reach.py

@@ -572,7 +572,7 @@ class Reach(SQLSubModel):
 
         raise FileFormatError(
             file_path_name,
-            f"Geometry file extention ({ext}) unkown"
+            f"Geometry file extention ('.{ext}') unkown"
         )
 
     @timer