very important!!!!->strange colour mistake

Hi everybody!
Today our server, on which i am working and rendering docbook to pdf, 
was rebooted. After rendering xml to pdf with fop, the colours 
changed!red became brown blue became purple (see attachment)!
I did not changed anything in the stylesheets!I cant imagine how it 
happend!
Did somebody experienced something like this?

Best regards.
-- 
Gruß Lwam Berhane

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