[Typo3] pmk_rssnewsexport problems

[Michael Ittner]

Hola guys,
 
i ve installed that extention rssnewsexport "pmk_rssnewsexport".
And I get alwys these error msgs:
Warning: setlocale(): Passing locale category name as string is deprecated.
Use the LC_* -constants instead. in
D:\Inetpub\wwwroot\elixic\typo3conf\ext\pmk_rssnewsexport\pi1\class.tx_pmkrs
snewsexport_pi1.php on line 407

Warning: setlocale(): Passing locale category name as string is deprecated.
Use the LC_* -constants instead. in
D:\Inetpub\wwwroot\elixic\typo3conf\ext\pmk_rssnewsexport\pi1\class.tx_pmkrs
snewsexport_pi1.php on line 407

Warning: setlocale(): Passing locale category name as string is deprecated.
Use the LC_* -constants instead. in
D:\Inetpub\wwwroot\elixic\typo3conf\ext\pmk_rssnewsexport\pi1\class.tx_pmkrs
snewsexport_pi1.php on line 407

Warning: setlocale(): Passing locale category name as string is deprecated.
Use the LC_* -constants instead. in
D:\Inetpub\wwwroot\elixic\typo3conf\ext\pmk_rssnewsexport\pi1\class.tx_pmkrs
snewsexport_pi1.php on line 407

Warning: setlocale(): Passing locale category name as string is deprecated.
Use the LC_* -constants instead. in
D:\Inetpub\wwwroot\elixic\typo3conf\ext\pmk_rssnewsexport\pi1\class.tx_pmkrs
snewsexport_pi1.php on line 407

Warning: Cannot modify header information - headers already sent by (output
started at
D:\Inetpub\wwwroot\elixic\typo3conf\ext\pmk_rssnewsexport\pi1\class.tx_pmkrs
snewsexport_pi1.php:407) in
D:\Inetpub\wwwroot\elixic\tslib\class.tslib_fe.php on line 2402

Warning: Cannot modify header information - headers already sent by (output
started at
D:\Inetpub\wwwroot\elixic\typo3conf\ext\pmk_rssnewsexport\pi1\class.tx_pmkrs
snewsexport_pi1.php:407) in
D:\Inetpub\wwwroot\elixic\tslib\class.tslib_fe.php on line 2410

Das anybody know why these error are coming up?
If yep would be very VERY nice if you could help me in solving that.
Thx alot in advance for your help!!!!!!!
 
bye Michael