[Cartoweb-users] Cartoweb 3.5 trouble after php update

[frequens]

Hallo list,

I had a working CW3.5 project on php 5.0.5. After upgrading to 5.2.1
weird fatal error appears.
Any help would be appreciated.

Notice: Only variable references should be returned by reference in
/xxx/cartoweb3/include/log4php/LoggerPropertyConfigurator.php on line
565
Warning: Cannot modify header information - headers already sent by
(output started at
/xxx/cartoweb3/include/log4php/LoggerPropertyConfigurator.php:565) in
/xxx/cartoweb3/client/ClientProjectHandler.php on line 112
Warning: session_start() [function.session-start]: Cannot send session
cache limiter - headers already sent (output started at
/xxx/cartoweb3/include/log4php/LoggerPropertyConfigurator.php:565) in
/xxx/cartoweb3/client/Cartoclient.php on line 418
Warning: Cannot modify header information - headers already sent by
(output started at
/xxx/cartoweb3/include/log4php/LoggerPropertyConfigurator.php:565) in
/xxx/cartoweb3/client/Internationalization.php on line 188
Warning: Cannot modify header information - headers already sent by
(output started at
/xxx/cartoweb3/include/log4php/LoggerPropertyConfigurator.php:565) in
/xxx/cartoweb3/client/Smarty_Cartoclient.php on line 62
Fatal error: Uncaught exception 'CartocommonException' with message
'Error [2, Cannot modify header information - headers already sent by
(output started at
/xxx/cartoweb3/include/log4php/LoggerPropertyConfigurator.php:565),
/xxx/cartoweb3/client/FormRenderer.php, 463] Backtrace: file: UNKNOWN
- UNKNOWN call: Common::cartowebErrorHandler(2, "Cannot modify header
information - headers already sent by (outp...",
"/xxx/cartoweb3/client/FormRenderer.php", 463, Array(1)) file: 463 -
/xxx/cartoweb3/client/FormRenderer.php call: header("HTTP/1.1 500
Internal Server Error") file: 1321 -
/xxx/cartoweb3/client/Cartoclient.php call:
FormRenderer->showFailure(Object(CartocommonException)) file: 33 -
/xxx/cartoweb3/htdocs/client.php call: Cartoclient->main() file: 7 -
/xxx/cartoweb3/htdocs/index.php call:
require_once("/xxx/cartoweb3/htdocs/client.php") ' in
/xxx/cartoweb3/common/Common.php:302 Stack trace: #0 [internal
function]: Common::cartowebErrorHandler(2, 'Cannot modify h...',
'/home/www/70/bi...', 463, Array) #1
/xxx/cartoweb3/client/FormRenderer.php(463): header('HTTP/1.1 500
In...') #2 /xxx/cartoweb3/client/Cartoclient.php(1321):
FormRenderer->showFailure(Object(CartocommonException)) #3
/xxx/cartoweb3/htdocs/client.php(33): Cartoclient->main() #4
/xxx/cartoweb3/htdocs/index.php(7): require_once('/home/www/70/bi...')
#5 {main} thrown in /xxx/cartoweb3/common/Common.php on line 302

Many thanks in advance.

frequens