Invalid floating point operation error

Hi

It seems I’m getting constantly the floating point error once per day.

programerrorlog.txt

"1.0" is an invalid integer
Above error or program log occured at :23:58:02 22/12/09
Invalid floating point operation
Above error or program log occured at :12:00:04 23/12/09
"20.0" is an invalid integer
Above error or program log occured at :23:58:00 23/12/09
Invalid floating point operation
Above error or program log occured at :12:00:03 24/12/09
Invalid floating point operation
Above error or program log occured at :12:00:03 25/12/09

The trace from the last crash

[HINT] TWinControl.CreateWnd creating Handle during loading TabSheet3:TTabSheet csDesigning=False
[HINT] TWinControl.CreateWnd creating Handle during loading Formfwigraph:TFormfwigraph csDesigning=False
TApplication.HandleException Invalid floating point operation
  Stack trace:
  $0840B250  TGRAPHFORM__FWI,  line 5274 of graph.pas
  $0899F2DA  TFORMTIMER1__TIMER1TIMER,  line 28625 of timer1new.pas
  $081E4D01  TFORMUNITS__TIMER4TIMER,  line 33054 of units.pas
  $081E3245  TFORMUNITS__UPDATETIMERNEWNOW,  line 32317 of units.pas
  $08AAD9F5  TCUSTOMTIMER__DOONTIMER,  line 181 of customtimer.pas
  $08AAD95F  TCUSTOMTIMER__TIMER,  line 156 of customtimer.pas
  $08B08DC4  GTKTIMERCB,  line 2213 of /home/vincent/rpm/BUILD/lazarus-0.9.29.22365/lazarus/lcl/interfaces/gtk/gtkcallback.inc
  $0014A53C
  $00149E88
  $0014D730
  $0014D863
  $010D3203
  $08ADEA3F
  $080A8069
  $080A84BF
  $08A92A83
  $080A847A
TApplication.HandleException Invalid floating point operation
  Stack trace:
  $01154F10
  $01162443
  $00ED531F
  $0058A9FC
  $0057B6F9
  $0057D072
  $005920B0
  $00593B2D
  $00593FB6
  $011560A7
  $01159C5F
  $011FDCA2
  $011FDD5C
  $08ADE9F0
  $08B48EAD
  $0807E369
  $081429C9
[FORMS.PP] ExceptionOccurred 
  Sender=EInvalidOp
  Exception=Invalid floating point operation
  Stack trace:
  $08CE26FB
  $08CE7532
  $08CE2BAB
  $08CE2CC5
  $080A7FA4
  $080A84FE
  $08A92A83
  $080A847A
  $08059409
TApplication.HandleException: there was another exception during showing the first exception
  Stack trace:
  $08CE26FB
  $08CE7532
  $08CE2BAB
  $08CE2CC5
  $080A7FA4
  $080A84FE
  $08A92A83
  $080A847A
  $08059409

Otherwise no major issues, happily upgraded my OS to Ubuntu 9.10. This floating point was also present in the earlier setup with 8.10.

BR - Timo

Is there something to be expected here or shall I make a hot fix such as upload NOAA files with curl or something similar.

Kind Regards - Timo