Upgrade from 8.2 to 8.6 and it is not working now

[SevketK]

I upgraded from 8.2 to 8.6 and when I enter plesk I see these messages on desktop:

<b>Source:</b> Microsoft JET Database Engine<br/><b>Description:</b> No value given for one or more required parameters.
---------------------- Debug Info -------------------------------
0: plib\common_func.php3:233
com->execute(string 'select [id], [cr_date], [cname], [pname], [login], [passwd], [status], [phone], [fax], , [address], [city], [state], [pcode], [country], [locale], [limits_id], [params_id], [perm_id], [pool_id], [logo_id], [tmpl_id], [sapp_pool_id], [guid] from [clients] where [id]=5', NULL null)
1: plib\common_func.php3:233
db_query(string 'select [id], [cr_date], [cname], [pname], [login], [passwd], [status], [phone], [fax], [email], [address], [city], [state], [pcode], [country], [locale], [limits_id], [params_id], [perm_id], [pool_id], [logo_id], [tmpl_id], [sapp_pool_id], [guid] from [clients] where [id]=5')
2: plib\class.Table.php:189
Table->select()
3: plib\class.cObject.php:458
cObject->fetchAttrsFromTable_()
4: plib\class.Client.php3:61
Client->Client(integer '5')
5: plib\common_func.php3:2929
objectMaker(string 'Client', integer '5')
6: plib\user\User.php:64
User::getClientById(integer '5')
7: plib\user\UserClient.php:26
UserClient->getClient()
8: plib\user\UserClient.php:169
UserClient->getLimits()
9: plib\user\UserClient.php:174
UserClient->getLimit(string 'max_dom')
10: plib\user\User.php:268
User->isLimited(string 'max_dom')
11: plib\user\User.php:278
User->checkLimitAvailable(string 'max_dom', integer '1')
12: plib\user\UserClient.php:143
UserClient->checkLimitAvailable(string 'max_dom', integer '1')
13: plib\ui\client.domain.php:51
plesk__client__domain->validateItem(object of type UserAdmin)
14: plib\UIPointer.php:978
UIPointer->validate(object of type UserAdmin)
15: plib\dashboard\Dashboard.php:51
Dashboard::fetchUIPointerValidation(string '/plesk/client@5/domain@new/properties/')
16: plib\dashboard\Dashboard.php:89
Dashboard::getUIPointerValidate(string '/plesk/client@5/domain@new/properties/', NULL null)
17: plib\dashboard\Dashboard.php:167
Dashboard::checkElement(object of type DashboardElement_shortcut, NULL null, boolean true)
18: plib\dashboard\DashboardElement.php:305
DashboardElement->getChild(NULL null, boolean false)
19: plib\dashboard\DashboardPreset.php:127
DashboardPreset->appendPreset(object of type DashboardPreset)
20: plib\dashboard\DashboardLocation.php:37
DashboardLocation->accessItem(string 'GET', NULL null)
21: plib\UIPointer.php:529
UIPointer->access(string 'GET')
22: htdocs\plesk.php:13
[/QUOTE]

And when I enter "Server" part here is the error message:

[QUOTE]Notice: Undefined variable: uip in C:\Pleskserver\admin\plib\dashboard\Dashboard.php on line 51

Fatal error: Call to a member function validate() on a non-object in C:\Pleskserver\admin\plib\dashboard\Dashboard.php on line 51[/QUOTE]

I read and tried all pathced on http://forum.parallels.com/showthread.php?t=83174&highlight=Notice%3A+Undefined+variable%3A+uip

screenshot is attached.

i read lots of things about this issue but i could not fix it. what do i have to do?