[Lazarus] Invalid file handle when closing Lazarus

[Mattias Gaertner]

On Mon, 5 Apr 2010 05:36:17 -0300
Antônio <antoniog12345 at gmail.com> wrote:

> Closing only this file causes Lazarus to crash.

I never saw that error. 
Is this the correct and full error message?
Does this happen with any file or only one particular?
What kind of file is this? A unit source file?


Mattias