%TMPL:INCLUDE{"twiki"}%
%TMPL:DEF{"titleaction"}%(oops) %TMPL:END%
%TMPL:DEF{"webaction"}% *Attention* %TMPL:END%
%TMPL:DEF{"heading"}%Topic must not be empty%TMPL:END%
%TMPL:DEF{"message"}%
You cannot save a topic with no text entered. Please try again.

Some browser configurations occasionally send undefined data to the
server. *Don't worry, your changes are not lost.* Just click the Back 
button on your browser and try again.

The other possibility is that someone sent you the preview URL of 
%WEB%.%TOPIC% instead of the view URL. %TMPL:END%
%TMPL:DEF{"topicaction"}% [[%WEB%.%TOPIC%][OK]] %TMPL:END%
%TMPL:P{"oops"}%
