Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, CANTGETMAINFID  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 cannot get file-id for the main image file opened on channel
 channel-number

    Facility: DEBUG, VMS Debugger

    Explanation: An error occurred while trying to get the file-id of
    the main image file opened on channel channel-number. The reason
    is given in the message following this message.

    User Action: Correct the problem given by the messages following
    this message. Note that trying to debug a remote image is NOT
    currently supported. If you are not trying to debug a remote
    image and the problem cannot be solved, submit a Software
    Performance Report.