diff --git a/app/routers/event_importing.py b/app/routers/event_importing.py
index ca6c383..a0f526b 100644
--- a/app/routers/event_importing.py
+++ b/app/routers/event_importing.py
@@ -644,10 +644,11 @@ async def event_importing_program_data(
         else:
             event_session_data['name'] = None
 
+        # Max length of type_code is 25 characters. We must truncate it.
         if record.get('session_type_code'):
-            event_session_data['type_code'] = record.get('session_type_code').strip()
+            event_session_data['type_code'] = record.get('session_type_code').strip()[:25]
         elif record.get('session_type'):
-            event_session_data['type_code'] = record.get('session_type').strip()
+            event_session_data['type_code'] = record.get('session_type').strip()[:25]
 
         if record.get('session_description'):
             event_session_data['description'] = record.get('session_description', '').strip()