This DBA setting must be specified to open attached files in the Portal. The ESUP_UPLOAD_PATH DBA setting must point to a virtual directory. This folder must be specified with the necessary rights (READ, WRITE). If you did not change the directory during the installation process, the value of the DBA setting must be specified in the form "~/upload/". If you changed the directory, for example, to "my_upload", the value must be "~/my_upload/".