[Foundation-l] Unable to edit

[Arno Lagrange]

Since a couple of days it has been unable to edit some wikimedia pages : on  meta, on species. 
When editing again the edit window is empty and after saving however I've edited something the page is empty. What to to do ? 
Arno Lagrange
Nouvelle adresse / Nova retadreso : arno.raymond.lagrange at wanadoo.fr
Ecole, Le Village
FR 11240 Bellegarde du Razès
33 (0) 468 698 389