sqlite file cannot read/connect

Databases
#1

I already build web app and upload it into linux server but cannot connect the sqlite database. I use the getfolderitem(). web error dialog give me this error

Unhandled NilObjectException
Message:

Stack:

TeamPage.TeamPage.LoadTeams%%o<TeamPage.TeamPage>
TeamPage.TeamPage.TeamList_Shown%%o<TeamPage.TeamPage>o
Delegate.IM_Invoke%%o
AddHandler.Stub.31%%
WebListBox.Event_Shown%%o
WebControl._ExecuteEvent%b%osA1v
WebListBox._ExecuteEvent%b%osA1v
WebControl._ExecuteEvent%b%os
WebView._DoShownEvent%%o
WebView.Event_Shown%%o
WebControl._ExecuteEvent%b%osA1v
WebControl.!_ExecuteEvent%b%ssA1v
WebSession._HandleEvent%%oso<HTTPServer.HTTPRequestContext>
WebSession._HandleRequest%i4%oso<HTTPServer.HTTPRequestContext>
WebApplication._HandleHTTPRequest%%oo<HTTPServer.HTTPRequestContext>
_CGIGateway.GatewayRequestThread.Event_Run%%o<_CGIGateway.GatewayRequestThread>

#2

My guess is that the database wasn’t found. I use a simple log file to figure some of these things out since it’s not easy to debug on the server.

#3