Fehlermeldungen bei notecolumn

\documentclass{scrbook}
\usepackage{blindtext,scrlayer-scrpage,scrlayer-notecolumn}
\usepackage{geometry}
\geometry{a4paper,twoside,inner=30mm,outer=20mm,marginparwidth=35mm,marginparsep=5mm,includemp}
\DeclareNewNoteColumn[font=\ifthispageodd{\sffamily\bfseries\small\raggedright}{\sffamily\bfseries\small\raggedleft},marginpar]{notizen}
\begin{document}
\blindtext
\makenote[notizen]{Eine Randnotiz als Test}
\blindtext[5]
\makenote[notizen]{Eine 2. Randnotiz als Test}
\blindtext
\makenote[notizen]{Eine 3. Randnotiz als Test}
\blindtext
\end{document}

Package scrlayer-notecolumn Info: Note box `marginpar' empty on input line 15.
 
TRACE (slnc): 1	<=1?
Soll: 148.60007pt
Ist:  -1.0pt
 
Package scrlayer-notecolumn Warning: Adding vertical white space from
(scrlayer-notecolumn)                -1.0pt to 148.60007pt
(scrlayer-notecolumn)                into note box `notizen'  on input line 15.
 
 
TRACE (slnc): 2	<=1?
TRACE (slnc): no: unprocess note
TRACE (slnc): 2	<=1?
TRACE (slnc): no: unprocess note
 
Package scrlayer-notecolumn Warning: Flush note box `notizen' on input line 15.
 
 
[1
 
]
Underfull \vbox (badness 10000) has occurred while \output is active []
 
Package scrlayer-notecolumn Info: Note box `marginpar' empty on input line 15.
 
TRACE (slnc): 2	<=2?
Soll: 311.80014pt
Ist:  -1.0pt
 
Package scrlayer-notecolumn Warning: Adding vertical white space from
(scrlayer-notecolumn)                -1.0pt to 311.80014pt
(scrlayer-notecolumn)                into note box `notizen'  on input line 15.
 
 
TRACE (slnc): 2	<=2?
Soll: 461.4002pt
Ist:  335.91013pt
 
Package scrlayer-notecolumn Warning: Adding vertical white space from
(scrlayer-notecolumn)                335.91013pt to 461.4002pt
(scrlayer-notecolumn)                into note box `notizen'  on input line 15.
 
 
 
Package scrlayer-notecolumn Warning: Flush note box `notizen' on input line 15.
 
 
[2]
Package scrlayer-notecolumn Info: Note box `marginpar' empty on input line 15.
Package scrlayer-notecolumn Info: Note box `notizen' empty on input line 15.
 [3] (notes.aux
Package scrlayer-notecolumn Info: Opening `notes.slnc'
(scrlayer-notecolumn)             for writing on input line 3.
\openout3 = `notes.slnc'.
 
)
 
Package scrlayer-notecolumn Warning: \pdfmdfivesum unavailable.
(scrlayer-notecolumn)                The package needs \pdfmdfivesum to test
(scrlayer-notecolumn)                whether or not one more LaTeX run will
(scrlayer-notecolumn)                be needed to make the note columns
(scrlayer-notecolumn)                right. If this command is unavailable
(scrlayer-notecolumn)                you have to do the decision without
(scrlayer-notecolumn)                this help of the package..