Error in pgadmin

Hi, in my pgadmin (version >1.2.1 and beta), if i edit a table
properties i've this alert:

src/common/string.cpp(2403): assert "wxAssertFailure" failed: bad index
in wxArrayString::Remove

Call stack:
[05] 0x0852d4e2
[06] 0x084a0b0c
[07] 0x084a0c93
[08] 0x084a05f0
[09] 0x08346b44
[10] 0x084a08ef
[11] 0x084a087b
[12] 0x0850448a
[13] 0x081dd66a
[14] 0x081e1019
[15] 0x081e231f
[16] 0x084a032c
[17] 0x08533666
[18] 0x085326d3
[19] 0x08533854
[20] 0x0842be65
[21] 0x085338b9
[22] 0x0842be65
[23] 0x085338b9
[24] 0x0842be65
[25] 0x085338b9
Do you want to stop the program?
You can also choose [Cancel] to suppress further warnings.

If i choose cancel it's ok, only a little bit slow
The system is a slack 10 (base, many library compiled by myself),
pgadmin is the slack pakage, latest gtk,glib e pango

--
Roberto Tagliaferri
Responsabile Progettazione & Produzione
TosNet s.r.l. - Internet Service Provider
r(dot)tagliaferri(at)tosnet(dot)it
www.tosnet.it