diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 091d4a6..ee27b10 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -2,7 +2,7 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.2.0
+    rev: v5.0.0
     hooks:
     - id: trailing-whitespace
     - id: end-of-file-fixer
@@ -13,6 +13,6 @@ repos:
     hooks:
       - id: isort
   - repo: https://github.com/PyCQA/flake8
-    rev: 4.0.1
+    rev: 7.1.1
     hooks:
       - id: flake8
diff --git a/wsjtx.py b/wsjtx.py
index 1010ac9..1ba23ca 100644
--- a/wsjtx.py
+++ b/wsjtx.py
@@ -594,16 +594,16 @@ def _encode(self):
     self._set_string(self._data['Mode'])
     self._set_string(self._data['ReportSent'])
     self._set_string(self._data['ReportReceived'])
-    self._set_string(self._data['TXPower'])
-    self._set_string(self._data['Comments'])
-    self._set_string(self._data['Name'])
+    self._set_string(self._data.get('TXPower'))
+    self._set_string(self._data.get('Comments'))
+    self._set_string(self._data.get('Name', ''))
     self._set_datetime(self._data['DateTimeOn'])
-    self._set_string(self._data['OpCall'])
-    self._set_string(self._data['MyCall'])
-    self._set_string(self._data['MyGrid'])
-    self._set_string(self._data['ExSent'])
-    self._set_string(self._data['ExReceived'])
-    self._set_string(self._data['PropMode'])
+    self._set_string(self._data.get('OpCall', ''))
+    self._set_string(self._data.get('MyCall', ''))
+    self._set_string(self._data.get('MyGrid', ''))
+    self._set_string(self._data.get('ExSent', ''))
+    self._set_string(self._data.get('ExReceived', ''))
+    self._set_string(self._data.get('PropMode', ''))
 
   @property
   def DateTimeOff(self):
@@ -644,7 +644,11 @@ def Mode(self):
 
   @Mode.setter
   def Mode(self, val):
-    self._data['Mode'] = getattr(Mode, val).value
+    assert isinstance(val, str)
+    try:
+      self._data['Mode'] = getattr(Mode, val).value
+    except AttributeError:
+      self._data['Mode'] = val
 
   @property
   def ReportSent(self):