[Typo3-debian] error while connecting to module-server

[Thomas Peterseil]

i´ve installed typo3 on debian and when i wonna install new modules 
from the online repository, i click the button "connect to online 
repository" and then i become this error message:

Fatal error: Allowed memory size of 8388608 bytes exhausted (tried to 
allocate 40 bytes) in 
/var/lib/typo3/typo3_src-3.5.0/typo3/mod/tools/em/index.php on line 
1846

what´s wrong?

thanks for help!

thomas