为什么 Biblatex 无法工作？我知道它能工作，当我在旧系统上使用它时。如您在屏幕截图中看到的那样，它似乎识别了我的 bib 文件，但无法解释自己的 bbl 文件。我不知道这里发生了什么。
blg 文件包含一些错误消息。
[0] Config.pm:327> INFO - This is Biber 2.3
[0] Config.pm:330> INFO - Logfile is 'protokoll.blg'
[30] biber-MSWIN:284> INFO - ===
[52] Biber.pm:346> INFO - Reading 'protokoll.bcf'
[125] Utils.pm:147> WARN - Warning: Found biblatex control file version 3.0, expected version 2.9
[126] Biber.pm:689> INFO - Found 1 citekeys in bib section 0
[130] Biber.pm:3066> INFO - Processing section 0
[155] Biber.pm:3206> INFO - Looking for bibtex format file 'literatur.bib' for section 0
[194] bibtex.pm:1062> INFO - Decoding LaTeX character macros into UTF-8
[196] bibtex.pm:923> INFO - Found BibTeX data source 'literatur.bib'
[226] UCollate.pm:66> INFO - Overriding locale 'de_DE' defaults 'normalization = NFD' with 'normalization = prenormalized'
[227] UCollate.pm:66> INFO - Overriding locale 'de_DE' defaults 'variable = shifted' with 'variable = non-ignorable'
[228] Biber.pm:2943> INFO - Sorting list 'nty/global' of type 'entry' with scheme 'nty' and locale 'de_DE'
[228] Biber.pm:2947> INFO - No sort tailoring available for locale 'de_DE'
[241] UCollate.pm:66> INFO - Overriding locale 'de_DE' defaults 'normalization = NFD' with 'normalization = prenormalized'
[242] UCollate.pm:66> INFO - Overriding locale 'de_DE' defaults 'variable = shifted' with 'variable = non-ignorable'
[242] Biber.pm:2943> INFO - Sorting list 'nty' of type 'entry' with scheme 'nty' and locale 'de_DE'
[242] Biber.pm:2947> INFO - No sort tailoring available for locale 'de_DE'
[244] bbl.pm:505> INFO - Writing 'protokoll.bbl' with encoding 'UTF-8'
[245] bbl.pm:596> INFO - Output to protokoll.bbl
[245] Biber.pm:107> INFO - WARNINGS: 1
如果有必要，我会添加一个最小的例子，尽管我认为 TeX 文件不是这里的问题。
Miktex 2.9，TexStudio（pdfLatex，Biber）
我在 TexStudio 中的完整日志：（最后一条是什么意思？我尝试在 F5 之前按 F8（参考书目）。但没有用。）
Use of \sortlist doesn't match its definition. \sortlist{
Extra }, or forgotten \endgroup. \sortlist{nty}
Undefined control sequence. \entry{demtr1}{book}{}
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \entry{kuchling}{book}{}
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endentry
Undefined control sequence. \endsortlist
Extra \endgroup. \begin{document}
Citation 'demtr1' on page 3 undefined
Underfull \hbox (badness 10000) in paragraph
Overfull \hbox (61.5431pt too wide) in paragraph
Float too large for page by 18.04808pt
Citation 'kuchling' on page 11 undefined
Empty bibliography
There were undefined references.
Please (re)run Biber on the file:(biblatex) protokoll(biblatex) and rerun LaTeX afterwards.