Software error:

Thu Sep 28 18:46:24 2023 da /web/htdocs/www.xcalcs.com/home/cgi-bin/tutti/x3calcs.cgi:file ../../Fogli/tutti/ulastre/flessione/rettangolari/p3app1lib/zret-s3l1-xxx.pxd non contiene dati utili at ../../Protetti/cgi/xc_pxd.pm line 1166.

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