I have successfully installed the Yamdi and presenter blocks. All php and XML reader are installed.

I add a new activity fill out the form and then click save and display and get this error.

ORA-01400: cannot insert NULL into ("MOODLEDEV"."M_PRESENTER"."EXPORT_FILE")

INSERT INTO m_presenter ( ID, COURSE, NAME, NR_CHAPTERS, PRESENTATION_WIDTH1, PRESENTATION_HEIGHT1, PRESENTATION_WIDTH2, PRESENTATION_HEIGHT2, PLAYER_WIDTH1, PLAYER_HEIGHT1, PLAYER_WIDTH2, PLAYER_HEIGHT2, WINDOW, PLAYER_SKIN, CONTROL_BAR, PLAYER_STRECHING, VOLUME, BUFFER_LENGTH, SLIDE_STRECHING, SUMMARY_HEIGHT ) VALUES ( 21, 81, 'Test Presenter', 1, 900, 500, 900, 500, 320, 240, 640, 500, '0', '0', 'bottom', 'uniform', 60, 3, 'uniform', 0 )