Some problems with BusiBox v1.01 (QNAP)

[abkrim]

 /root/rsync-time-backup/rsync_tmbackup.sh -p 2222 --rsync-set-flags "-D --numeric-ids --links --hard-links -rlt --no-perms --no-group --no-owner --itemize-changes" --strategy "1:1 7:7 30:30" / granadacf@XXXXXXXXXXX:/share/homes/granadacf/rsync /excludes.txt
df: '': No such file or directory
df: invalid option -- 'T'
BusyBox v1.01 (2022.01.28-18:56+0000) multi-call binary

Usage: df [-hmkc] [FILESYSTEM ...]

Print the filesystem space used and space available.

Options:
        -c      correct formatting error

        -h      print sizes in human readable format (e.g., 1K 243M 2G )
        -m      print sizes in megabytes
        -k      print sizes in kilobytes(default)

BusyBox v1.01 (2022.01.28-18:56+0000) multi-call binary

Usage: find [PATH...] [EXPRESSION]

Search for files in a directory hierarchy.  The default PATH is
the current directory; default EXPRESSION is '-print'

EXPRESSION may consist of:
        -follow         Dereference symbolic links.
        -name PATTERN   File name (leading directories removed) matches PATTERN.
        -print          Print (default and assumed).

        -type X         Filetype matches X (where X is one of: f,d,l,b,c,...)
        -perm PERMS     Permissions match any of (+NNN); all of (-NNN);
                        or exactly (NNN)
        -mtime TIME     Modified time is greater than (+N); less than (-N);
                        or exactly (N) days

rsync_tmbackup: No previous backup - creating new one.
rsync_tmbackup: Creating destination [email protected]:/share/homes/granadacf/rsync/2022-03-17-072202
BusyBox v1.01 (2022.01.28-18:56+0000) multi-call binary

Usage: find [PATH...] [EXPRESSION]

Search for files in a directory hierarchy.  The default PATH is
the current directory; default EXPRESSION is '-print'

EXPRESSION may consist of:
        -follow         Dereference symbolic links.
        -name PATTERN   File name (leading directories removed) matches PATTERN.
        -print          Print (default and assumed).

        -type X         Filetype matches X (where X is one of: f,d,l,b,c,...)
        -perm PERMS     Permissions match any of (+NNN); all of (-NNN);
                        or exactly (NNN)
        -mtime TIME     Modified time is greater than (+N); less than (-N);
                        or exactly (N) days

BusyBox v1.01 (2022.01.28-18:56+0000) multi-call binary

Usage: find [PATH...] [EXPRESSION]

Search for files in a directory hierarchy.  The default PATH is
the current directory; default EXPRESSION is '-print'

EXPRESSION may consist of:
        -follow         Dereference symbolic links.
        -name PATTERN   File name (leading directories removed) matches PATTERN.
        -print          Print (default and assumed).

        -type X         Filetype matches X (where X is one of: f,d,l,b,c,...)
        -perm PERMS     Permissions match any of (+NNN); all of (-NNN);
                        or exactly (NNN)
        -mtime TIME     Modified time is greater than (+N); less than (-N);
                        or exactly (N) days

rsync_tmbackup: Starting backup...
rsync_tmbackup: From: /