Your ROOT_URL in app.ini is https://scm.trinitydesktop.org/gitea/ but you are visiting https://scm.trinitydesktop.net/gitea/TDE/tde-i18n/src/commit/5ee9a20d77d7dd4926b5bec5be38b3463bf209a4/tde-i18n-pl/messages/tdebase/tdeio_system.po
You should set ROOT_URL correctly, otherwise the web may not work correctly.
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# translation of tdeio_system.po to Polish
# Michal Milos <krasnall@post.pl>, 2005.
#
msgid ""
msgstr ""
"Project-Id-Version: tdeio_system\n"
"POT-Creation-Date: 2020-05-11 04:02+0200\n"
"PO-Revision-Date: 2005-01-26 14:59+0100\n"
"Last-Translator: Michal Milos <krasnall@post.pl>\n"