[Plugin: Text Replace] save button ask to login

hi!
, i’ve a problem with my 2nd wordpress site and wordpress text replace.

the problem:

when i try to add or updating the setting from the self setting panel in wordpress admin manaegemnt it ask me to log in … but obviously i’m the amin and was already logged.

i can’t fiugure out why it do taht i’ve used for bot my web site artisteer but when the first site it work perfectly , the second none.

i love text replace could you follow me to resolve this issue? pls

regards

Leepton

http://wordpress.org/extend/plugins/text-replace/