Troubleshooting
Problem
User launches FAP Client. User types in password, and logs onto the FAP database. An error appears.
Symptom
Microsoft .NET Framework
Unhandled exception has occurred in your application. If you click Cotinue, the application will ignore this error and attept to continie
Invalid character in a Base-64 string
[Details] [Continue] [Quit]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- System.FormatException: Invalid character in a Base-64 string.
at System.Convert.FromBase64String(String s)
at FAPClient.FAP.Dao.SourceDao.Decode(String encodedText)
at FAPClient.FAP.Dao.SourceDao.GetItemFromRow(DataRow& row)
at FAPClient.FAP.Dao.SourceDao.ListItems(Context& ctx)
at FAPClient.frmDefine.SetupSources()
at FAPClient.frmDefine.Connect()
at FAPClient.frmDefine.frmMain_Load(Object sender, EventArgs e)
at System.EventHandler.Invoke(Object sender, EventArgs e)
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ContainerControl.WndProc(Message& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If the user clicks 'Continue' then the FAP screen's contents looks strange:
Source 1 Source 2 123 123123 123123123 123123 123123
[{"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Controller","Platform":[{"code":"PF033","label":"Windows"}],"Version":"10.2.1","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]
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Historical Number
1031255
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Document Information
Modified date:
08 May 2025
UID
swg21370845