I have 2 global page items: Project Name and Cycle Name both are select list, Cycle Name drop down values are based on Project Name's drop down selection, so on home page after i select value from 1st select list i am getting this error--
- Ajax call returned server error ORA-20987: APEX - Attempt to save item P0_PROJECT_NAME in session state during show processing. Item protection level indicates: Item may be set when accompanied by a "session" checksum. No checksum was passed in or the checksum passed in would be suitable for an item with protection level "(No checksum was provided)". Note: End users get a different error message. - Contact your application administrator. for ajax_set_session_state.
- Securtiy attributes for Project Name:

. Security attributes for Cycle Name:

Please let me know if any other details are required.
I have to use this 2 global page items throughout the application to pass and set values.