Crash when adding a text shape

[arno_b]

Adding $\begin{matrix} 1 \\ 2 \\ 3 \\ 4 \\ 5 \end{matrix}$
leads to a crash:
java.lang.IllegalArgumentException: Not a single page: 2
 at net.sf.latexdraw.glib.views.Java2D.impl.FlyweightThumbnail$.net$sf$latexdraw$glib$views$Java2D$impl$FlyweightThumbnail$$createImage(FlyweightThumbnail.scala:356)
 at net.sf.latexdraw.glib.views.Java2D.impl.FlyweightThumbnail$$anon$1.run(FlyweightThumbnail.scala:134)

[arno_b (arno.b)]

See: https://sourceforge.net/p/latexdraw/discussion/525821/thread/7e9c5b04

[arno_b (arno.b)]

Another report:
https://sourceforge.net/p/latexdraw/discussion/525821/thread/5de362e1

[arno_b (arno.b)]

Fixed in:
https://github.com/arnobl/latexdraw/commit/275fc666632f70d9e767ffdb69065fefa46b7dab
and
https://github.com/arnobl/latexdraw/commit/c6d7bbd093737796b16a5afff49338ea54d8cef7