Backing Up Files error

I was successful at backing up my database and plugins. However, Im having trouble with my “files”. And help would be appreciated.

Andrew

[17-Apr-2013 18:38:17] STRICT NOTICE: Declaration of W3_Cache_File_Generic::set() should be compatible with that of W3_Cache_File::set()
[17-Apr-2013 18:38:17] STRICT NOTICE: Declaration of W3_Cache_File_Generic::get() should be compatible with that of W3_Cache_File::get()
[17-Apr-2013 18:38:17] STRICT NOTICE: Declaration of W3_Cache_File_Generic::delete() should be compatible with that of W3_Cache_File::delete()
[17-Apr-2013 18:38:20] 1. Trying to make a list of folders to back up …
[17-Apr-2013 18:38:29] 420 folders to back up.
[17-Apr-2013 18:38:29] 1. Trying to create backup archive …
[17-Apr-2013 18:38:29] Compression method is TarGz
[17-Apr-2013 18:45:11] WARNING: Job restart due to inactivity for more than 5 minutes.
[17-Apr-2013 18:45:11] STRICT NOTICE: Declaration of W3_Cache_File_Generic::set() should be compatible with that of W3_Cache_File::set()
[17-Apr-2013 18:45:11] STRICT NOTICE: Declaration of W3_Cache_File_Generic::get() should be compatible with that of W3_Cache_File::get()
[17-Apr-2013 18:45:11] STRICT NOTICE: Declaration of W3_Cache_File_Generic::delete() should be compatible with that of W3_Cache_File::delete()
[17-Apr-2013 18:45:12] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Create() should be compatible with that of OpenCloud\DNS\DnsObject::Create()
[17-Apr-2013 18:45:12] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Update() should be compatible with that of OpenCloud\DNS\DnsObject::Update()
[17-Apr-2013 18:45:12] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Delete() should be compatible with that of OpenCloud\DNS\DnsObject::Delete()
[17-Apr-2013 18:45:12] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::UpdateJson() should be compatible with that of OpenCloud\DNS\DnsObject::UpdateJson()
[17-Apr-2013 18:46:01] ERROR: Signal 15 is sent to script!
[17-Apr-2013 18:46:01] Script stopped! Will start again.
[17-Apr-2013 18:46:02] STRICT NOTICE: Declaration of W3_Cache_File_Generic::set() should be compatible with that of W3_Cache_File::set()
[17-Apr-2013 18:46:02] STRICT NOTICE: Declaration of W3_Cache_File_Generic::get() should be compatible with that of W3_Cache_File::get()
[17-Apr-2013 18:46:02] STRICT NOTICE: Declaration of W3_Cache_File_Generic::delete() should be compatible with that of W3_Cache_File::delete()
[17-Apr-2013 18:46:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Create() should be compatible with that of OpenCloud\DNS\DnsObject::Create()
[17-Apr-2013 18:46:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Update() should be compatible with that of OpenCloud\DNS\DnsObject::Update()
[17-Apr-2013 18:46:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Delete() should be compatible with that of OpenCloud\DNS\DnsObject::Delete()
[17-Apr-2013 18:46:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::UpdateJson() should be compatible with that of OpenCloud\DNS\DnsObject::UpdateJson()
[17-Apr-2013 18:53:54] WARNING: Job restart due to inactivity for more than 5 minutes.
[17-Apr-2013 18:53:54] STRICT NOTICE: Declaration of W3_Cache_File_Generic::set() should be compatible with that of W3_Cache_File::set()
[17-Apr-2013 18:53:54] STRICT NOTICE: Declaration of W3_Cache_File_Generic::get() should be compatible with that of W3_Cache_File::get()
[17-Apr-2013 18:53:54] STRICT NOTICE: Declaration of W3_Cache_File_Generic::delete() should be compatible with that of W3_Cache_File::delete()
[17-Apr-2013 18:53:56] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Create() should be compatible with that of OpenCloud\DNS\DnsObject::Create()
[17-Apr-2013 18:53:56] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Update() should be compatible with that of OpenCloud\DNS\DnsObject::Update()
[17-Apr-2013 18:53:56] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Delete() should be compatible with that of OpenCloud\DNS\DnsObject::Delete()
[17-Apr-2013 18:53:56] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::UpdateJson() should be compatible with that of OpenCloud\DNS\DnsObject::UpdateJson()
[17-Apr-2013 18:53:56] 1. Trying to send backup with e-mail…
[17-Apr-2013 18:53:56] Sending e-mail to apr7777@gmail.com…
[17-Apr-2013 18:54:00] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 202637313 bytes) in /var/www/vhosts/rent.com/httpdocs/wp-content/plugins/backwpup/sdk/SwiftMailer/classes/Swift/Mime/SimpleMimeEntity.php on line 706
[17-Apr-2013 18:54:00] ERROR: Allowed memory size of 268435456 bytes exhausted (tried to allocate 202637313 bytes)
[17-Apr-2013 18:54:00] Script stopped! Will start again.
[17-Apr-2013 18:54:01] STRICT NOTICE: Declaration of W3_Cache_File_Generic::set() should be compatible with that of W3_Cache_File::set()
[17-Apr-2013 18:54:01] STRICT NOTICE: Declaration of W3_Cache_File_Generic::get() should be compatible with that of W3_Cache_File::get()
[17-Apr-2013 18:54:01] STRICT NOTICE: Declaration of W3_Cache_File_Generic::delete() should be compatible with that of W3_Cache_File::delete()
[17-Apr-2013 18:54:01] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Create() should be compatible with that of OpenCloud\DNS\DnsObject::Create()
[17-Apr-2013 18:54:01] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Update() should be compatible with that of OpenCloud\DNS\DnsObject::Update()
[17-Apr-2013 18:54:01] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Delete() should be compatible with that of OpenCloud\DNS\DnsObject::Delete()
[17-Apr-2013 18:54:01] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::UpdateJson() should be compatible with that of OpenCloud\DNS\DnsObject::UpdateJson()
[17-Apr-2013 18:54:01] 2. Trying to send backup with e-mail…
[17-Apr-2013 18:54:01] Sending e-mail to apr7777@gmail.com…
[17-Apr-2013 18:54:03] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 209977345 bytes) in /var/www/vhosts/rent.com/httpdocs/wp-content/plugins/backwpup/sdk/SwiftMailer/classes/Swift/Mime/SimpleMimeEntity.php on line 706
[17-Apr-2013 18:54:03] ERROR: Allowed memory size of 268435456 bytes exhausted (tried to allocate 209977345 bytes)
[17-Apr-2013 18:54:03] Script stopped! Will start again.
[17-Apr-2013 18:54:03] STRICT NOTICE: Declaration of W3_Cache_File_Generic::set() should be compatible with that of W3_Cache_File::set()
[17-Apr-2013 18:54:03] STRICT NOTICE: Declaration of W3_Cache_File_Generic::get() should be compatible with that of W3_Cache_File::get()
[17-Apr-2013 18:54:03] STRICT NOTICE: Declaration of W3_Cache_File_Generic::delete() should be compatible with that of W3_Cache_File::delete()
[17-Apr-2013 18:54:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Create() should be compatible with that of OpenCloud\DNS\DnsObject::Create()
[17-Apr-2013 18:54:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Update() should be compatible with that of OpenCloud\DNS\DnsObject::Update()
[17-Apr-2013 18:54:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Delete() should be compatible with that of OpenCloud\DNS\DnsObject::Delete()
[17-Apr-2013 18:54:03] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::UpdateJson() should be compatible with that of OpenCloud\DNS\DnsObject::UpdateJson()
[17-Apr-2013 18:54:03] 3. Trying to send backup with e-mail…
[17-Apr-2013 18:54:03] Sending e-mail to apr7777@gmail.com…
[17-Apr-2013 18:54:05] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 209977345 bytes) in /var/www/vhosts/rent.com/httpdocs/wp-content/plugins/backwpup/sdk/SwiftMailer/classes/Swift/Mime/SimpleMimeEntity.php on line 706
[17-Apr-2013 18:54:05] ERROR: Allowed memory size of 268435456 bytes exhausted (tried to allocate 209977345 bytes)
[17-Apr-2013 18:54:05] Script stopped! Will start again.
[17-Apr-2013 18:54:05] STRICT NOTICE: Declaration of W3_Cache_File_Generic::set() should be compatible with that of W3_Cache_File::set()
[17-Apr-2013 18:54:05] STRICT NOTICE: Declaration of W3_Cache_File_Generic::get() should be compatible with that of W3_Cache_File::get()
[17-Apr-2013 18:54:05] STRICT NOTICE: Declaration of W3_Cache_File_Generic::delete() should be compatible with that of W3_Cache_File::delete()
[17-Apr-2013 18:54:05] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Create() should be compatible with that of OpenCloud\DNS\DnsObject::Create()
[17-Apr-2013 18:54:05] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Update() should be compatible with that of OpenCloud\DNS\DnsObject::Update()
[17-Apr-2013 18:54:05] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::Delete() should be compatible with that of OpenCloud\DNS\DnsObject::Delete()
[17-Apr-2013 18:54:05] STRICT NOTICE: Declaration of OpenCloud\DNS\PtrRecord::UpdateJson() should be compatible with that of OpenCloud\DNS\DnsObject::UpdateJson()
[17-Apr-2013 18:54:06] Job done in 949 seconds.

http://wordpress.org/extend/plugins/backwpup/