Fatal error: Class 'vB_DataManager_post' not found in /home/xxx/public_html/foru

[JustDavesForum]

Getting this error message when someone attempts to reply:

Fatal error: Class 'vB_DataManager_post' not found in /home/xxx/public_html/forum/includes/functions.php on line 132

and

this error message when someone attempts to start a thread:

Fatal error: Class 'vB_DataManager_thread_firstpost' not found in /home/xxx/public_html/forum/includes/functions.php on line 132
I upgraded from v3.6.8 to v3.7.1 last night.

[JustDavesForum]

Problem resolved.

Reuploaded and overwrote includes file.