datalength to be uploaded does not match the length reported to the node

[canjbfeeltheesemuffins]

$ freesitemgr update tests
insert:tests: site insert has completed
insert:tests: checking if a new insert is needed
insert:tests: Changes detected - updating...
The datalength of 13444 to be uploaded does not match the length reported to the node of 5267. This is a bug, please report it to the pyFreenet maintainer.

$ freesitemgr -V
This is /home/ubuntu2004/.local/bin/freesitemgr, version 0.3.4

$ pip3 install -U --user pyFreenet3
Requirement already up-to-date: pyFreenet3 in /home/ubuntu2004/.local/lib/python3.8/site-packages (0.5.5)

$ ls
activelink.png index.html style.css

$ file activelink.png
activelink.png: PNG image data, 108 x 36, 8-bit colormap, non-interlaced

$ file index.html
index.html: HTML document, ASCII text

$ file style.css
style.css: ASCII text

[ArneBab]

Thank you for reporting! Can you update pyFreenet to Version 0.5.6 and see whether the issue persists?

I see that pyFreenet is version 0.5.5 — this should not be affected by the version. Is this happening consistently? How can I reproduce this?