Ooops, a system error occured

[mvb@…]

Cannot upload avatar or photo since I alwaysget:

Ooops, a system error occured

Most probably you found a software bug. Don't panic, you can now choose one of the following options: 

...bullshit...

If you write a bug report, please include the following output in your bug report.
Falls Du einen Fehlerbericht erstellst, füge bitte die folgenden Ausgaben mit ein.

../env/request/set_csrf_secret.lua:15: Cross-Site Request Forgery attempt detected

Stack trace follows:
[C]: in function 'error'
../env/request/set_csrf_secret.lua:15: in function 'set_csrf_secret'
...quid_feedback/webapp/app/main/_filter/20_session.lua:12: in function 'func'
../env/execute/file_path.lua:24: in function 'file_path'
../env/execute/_add_filters_by_path.lua:17: in function 'wrapper_func'
../env/execute/wrapped.lua:21: in function <../env/execute/wrapped.lua:11>
(tail call): ?
../env/execute/multi_wrapped.lua:18: in function 'inner_func'
../env/execute/inner.lua:19: in function 'inner'
...ck/webapp/app/main/_filter_action/10_transaction.lua:3: in function 'func'
...
../env/execute/wrapped.lua:21: in function <../env/execute/wrapped.lua:11>
(tail call): ?
(tail call): ?
../env/execute/filtered_action.lua:32: in function 'filtered_action'
webmcp.lua:292: in function <webmcp.lua:235>
[C]: in function 'xpcall'
webmcp.lua:234: in main chunk
[C]: in function 'pcall'
...feedback/webmcp/framework/cgi-bin/webmcp-wrapper.lua:7: in main chunk
[C]: ?

Furtheremore I get some cleartext hashes with a ?failed? MySQL insert:

/main/_filter_action/10_transaction.lua

    BEGIN;;
    /main/_filter/20_session.lua
        SELECT "session".* FROM "session" WHERE (ident = 'hjaLfELHYX5gaaMYzTuybac83OYmX9ax') LIMIT 1;
        INSERT INTO "session" ("additional_secret", "ident") VALUES ('7fFAk4lW9QVzzTqWKd45tZEhNmFp8LwJ', 'sqX0OWHbIgaccLRxPqtCUzXVVE4o5oSW') RETURNING ("ident");
        UNEXPECTED ERROR

[Democrazia Diretta <alex@…>]

I get this error too, on various part of my website  http://www.democraziaweb.com:81/lf/, see my ticket http://dev.liquidfeedback.org/trac/lf/ticket/1268

This issue is urgent