UP_CANTOPEN

    UP_CANTOPEN       235 bin/dbupdate/dbupdate.c      ER_perror(FAC_UP, UP_CANTOPEN, "Can't open temporary file, %s", key_file_name);
    UP_CANTOPEN       366 bin/dbupdate/dbupdate.c      ER_perror(FAC_UP, UP_CANTOPEN, "Can't open temporary file, %s", key_file_name);
    UP_CANTOPEN      2105 bin/dbupdate/dbupdate.c          ER_perror(FAC_UP, UP_CANTOPEN, "Couldn't open the file %s: %s\n", filename, strerror(errno));
    UP_CANTOPEN      2312 bin/dbupdate/dbupdate.c     ER_perror(FAC_UP, UP_CANTOPEN, "Can't open lock file, %s", lock.lockname);
    UP_CANTOPEN      2361 bin/dbupdate/dbupdate.c     ER_perror(FAC_UP, UP_CANTOPEN, "Can't open temp checkpoint file, %s", tmpfilename);
    UP_CANTOPEN       445 modules/ep/mail_parser.c     ER_perror(FAC_UP, UP_CANTOPEN, "Couldn't open the file %s\n", file);
    UP_CANTOPEN       101 modules/up/er_UP_errors.h   { ERDUP(UP_CANTOPEN),"Cannot open file" },