the final solution has been given by Paulino and Fabien :
you must do two things :
+ in ...\server\addons\document\document.py, find function random_name() replace "string.letters" with "string.ascii_letters"
+ delete the folder ...\server\filestore and create another one ...\server\filestore
the final solution has been given by Paulino and Fabien : addons\ document\ document. py, find function random_name() replace "string.letters" with "string. ascii_letters" filestore and create another one ...\server\ filestore
you must do two things :
+ in ...\server\
+ delete the folder ...\server\