openproject-6.0.4-0 was installed on a rhel7 box.
as admin, I tried to add a news. when I clicked the create button on add news page,
error message turns up:
An error occurred on the page you were trying to access.
If you continue to experience problems please contact your OpenProject administrator for assistance.
If you are the OpenProject administrator, check your log files for details about the error.
I checked logs files in openproject-6.0.4-0/apache2/logs. there are no related messages.