Error related to Blackberry memmory

340-343 Memory failure
You receive one the following error messages on your handheld:
Device Error 340
Device Error 341
Device Error 342
Device Error 343
Cause
Memory failure.
Resolution
Reduce the number of calendar appointments synchronized to your hand-held.
1、In Blackberry Desktop Manager, double-click the Intellisync icon.
Click Configure PIM. The Hand-held Configuration window appears.
2、In the Hand-held Applications list, select Calendar.
3、Click Configure > Advanced Settings. The Advanced Settings for Calendar window appears.
4、In the Date Range tab, perform one of the following tasks to reduce the number of calendar appointments synchronized to your hand-held:
If you click the Transfer only Future items option, only future calendar appointments will be synchronized to your hand-held.
If you click the Transfer items within a range of Days option and enter date range in the fields provided, only the calendar appointments that scheduled within the date range will be synchronized to your hand held.
5、Click OK to save your changes and close the window.
7、In the Hand-held Configuration window, ensure that the check box beside the Calendar application is selected, then click OK.
8、In the Intellisync window, ensure that the Synchronize PIM check box is selected, then click Synchronize Now. The number of calendar entries on your hand-held is reduced.
If you still receive the error
Run Application Loader to reload the operating system and applications onto your hand-held.