Hello, thanks for your answer.
all works until version 1.5.6
when trying 1.6.3 i got this error loading the update.php
Type: E_WARNING (2)
Message: mkdir(): No such file or directory
File: ***include/session.php
Line=65
error backtrace:
[PHP core called function]
function called: handle_epesi_error(2, "mkdir(): No such file or directory", "***include/session.php", 65, Array ("b5d1c398f57fefbb9dcaf1c5efd32e3e"))
File: ***include/session.php
line 65
function called: mkdir("")
[PHP core called function]
function called: read("b5d1c398f57fefbb9dcaf1c5efd32e3e")
File: ***include/session.php
line 330
function called: session_start()
File: ***include.php
line 23
function called: require_once("***include/session.php")
File: ***update.php
line 115
function called: require_once("***include.php")
File: ***update.php
line 88
function called: load_epesi()
File: ***update.php
line 414
function called: run()