I upgraded system site from 2.2.6 to 2.3.1 and site working well but admin page profile module do not open and give me this error message:

This page cannot be displayed due to an internal error.

You can provide the following information to the administrators of this site to help them solve the problem:

Error: The package only works for XOOPS 2.3+
Backtrace:
/Frameworks/art/functions.ini.php (15)
/Frameworks/art/functions.admin.php (17)
/modules/profile/admin/header.php (28)
/modules/profile/admin/field.php (20)