Since I upgraded from LibreOffice 4.4.7.2 to 5.0.4.2 in Fedora 23, table formulas in a saved document no longer work, showing an "Incorrect formula" error. The formula was written in French (SOMME), and now I can only write formulas in English (SUM). This also happens when creating a new document. Formulas in Calc still work when written in French (indeed, English is not accepted there).
May be you have enable the option: Menu/Tools/Options/LibreOffice calc/Formula - Formula options - Use English function names.
component set to Writer ? :)
Yes, indeed, that box is unchecked in Calc, and everything works fine there. The problem only affects Writer, where apparently that setting isn't respected.
(Note that one issue is that I cannot type French formulas anymore, but the major bug here is that existing documents are not loaded correctly. The bug would be mitigated it they worked and appeared in English.)
adding keywords 'regression' and 'bibisectRequest'
*** This bug has been marked as a duplicate of bug 97550 ***