Problem With Cannot Modify Header Information And Javascript

[bernd445]

Hello sometimes coming this error if I want install or delete a Modul

 

Notice: unserialize(): Error at offset 40955 of 40960 bytes in /home/lazaarac/public_html/classes/cache/CacheFs.php on line 70 Warning: Cannot modify header information - headers already sent by (output started at /home/lazaarac/public_html/classes/cache/CacheFs.php:70) in /home/lazaarac/public_html/classes/controller/FrontController.php on line 996 Warning: Cannot modify header information - headers already sent by (output started at /home/lazaarac/public_html/classes/cache/CacheFs.php:70) in /home/lazaarac/public_html/classes/controller/FrontController.php on line 997

 

and same this

Warning on line 1761 in file /home/lazaarac/public_html/classes/controller/AdminController.php
[2] Cannot modify header information - headers already sent by (output started at /home/lazaarac/public_html/classes/cache/CacheFs.php:40)

 

and sometime if I make in "Performence" "Compress inline JavaScript in HTML"  of YES coming tjis error on the website

 

SMin: Unterminated String at byte 21: "JSMin: Unterminated String at byte 28: "

 

MEIN SHOP SYSTEM IST 1.6.1.0

 

Everyone have a Idea and can help me

 

Thanks in advance

Edited December 9, 2015 by bernd445 (see edit history)