Hi Olga,
I did everything you told me. I turned of nearly all plugins, my memory_limit is 256M (which should be ok) and I checked php and database.
But Header builder will still not save changes of Logosize in the new Header (Polizei Copy).
I also tried to create a new header. The same Problem!
PLEASE!!! I need you help to go further with my Website.
Thank you very much in advance
Roman