When I select english in the clonk forge I can't login,its shows that header error.When I select english and I put in the browser www.clonkforge.net it loads and says problem with header.
When I select German I can login and I can use www.clonkforge.net adress.
header error:
Warning: Cannot modify header information - headers already sent by (output started at [..]:833) in [...] on line 19