[Cartoweb-dev] query problem

[tamax]

Hello!!!
 I´ve developed and application with Cartoweb and query tool
can only search data from the shapefile layer but I have layers (type
point) that are stored in postgresql-postgis. I´ve added
metadata on them and it has generated the following error when I
select (with query tool) a region which catch some point:
 Class : SoapFaultWrapper Message : Error [8, Trying to get property
of non-object,
/var/www/cartoweb3/coreplugins/query/server/ServerQuery.php, 122]
Backtrace: file: 122 -
/var/www/cartoweb3/coreplugins/query/server/ServerQuery.php call:
Common::cartowebErrorHandler(8, "Trying to get property of
non-object",
"/var/www/cartoweb3/coreplugins/query/server/ServerQuery.php", 122,
Array(8)) file: 294 -
/var/www/cartoweb3/coreplugins/query/server/ServerQuery.php call:
ServerQuery->resultToTable(Array(1), "mat_aves", "sim_est", Array(0),
Object(TableFlags)) file: 423 -
/var/www/cartoweb3/coreplugins/query/server/ServerQuery.php
call:
ServerQuery->queryLayer(Object(Bbox), Object(QuerySelection))  
 Is it possible to query data from a database layer?
 What can I do?
 The application is avaliable in
 http://ndige01.ccr.ufsm.br/cartoweb3/htdocs/animal.php
 Thanks in advance
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