You may see this error when you try to accept recurrence meeting ,which time was been updated.
To resolve this issue:
- On the BES Server, click Start > Run and type regedit.
- Navigate to the following registry HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\Options\Calendar.
- Right-click the Calendar folder and click New > DWORD Value.
- Type DisableMeetingRegeneration and press ENTER.
- Double-click the new key and type 1 in the Value data field of the Edit String screen.
- Click OK and close the Registry Editor.
Go to your device and delete BIS CICAL service book
To delete CICAL on BB device go to Settings–>Advanced Options –> Service Books
Locate BIS CICAL and delete it.
Than go to your BlackBerry Enterprise server , right click on user and pres “Resend Service Book”
Restart your device and meeting accepts should start working.