New Error in WordPress 3.2 & BackWPup 2.0.0

Warning: in_array() expects parameter 2 to be array, null given in /usr/share/web/XYZsite/webshare/wordpress/wp-content/plugins/backwpup/pages/func_backwpup.php on line 248

Backup completes with errors

[INFO]: BackWPup version 2.0.0, Copyright ? 2011 Daniel Hüsken
2011-07-05 23:48.58: [INFO]: BackWPup comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under certain conditions.
2011-07-05 23:48.58: [INFO]: BackWPup job: 1. Monthly Backup; WPEXP+DB+FILE+OPTIMIZE+CHECK
2011-07-05 23:48.58: [INFO]: BackWPup cron: 0 3 1 * *; Mon, 1 Aug 2011 03:00
2011-07-05 23:48.58: [INFO]: PHP ver.: 5.3.2; cgi-fcgi; Linux
2011-07-05 23:48.58: [INFO]: MySQL ver.: 5.0.75-1
2011-07-05 23:48.58: [INFO]: curl ver.: 7.18.2; OpenSSL/0.9.8g
2011-07-05 23:48.58: [INFO]: Temp folder is: /usr/share/web/XYZsite/.phpuploads/backwpup_8f00b204e9800998/
2011-07-05 23:48.58: [INFO]: Backup file is: /usr/share/web/XYZsite/webshare/wordpress/wp-content/backwpup-88456/backwpup_0_2011-07-05_18-48-58.zip
2011-07-05 23:48.58: 1. Try for dump database to file…
2011-07-05 23:48.58: Dump Database table: wp_commentmeta
2011-07-05 23:48.58: Dump Database table: wp_comments
2011-07-05 23:48.58: Dump Database table: wp_links
2011-07-05 23:48.58: Dump Database table: wp_mnm_spider_tracker
2011-07-05 23:48.58: Dump Database table: wp_mnm_spider_tracker_log
2011-07-05 23:48.58: Dump Database table: wp_mscr_intrusions
2011-07-05 23:48.58: Dump Database table: wp_options
2011-07-05 23:48.58: Dump Database table: wp_postmeta
2011-07-05 23:48.58: Dump Database table: wp_posts
2011-07-05 23:48.59: Dump Database table: wp_term_relationships
2011-07-05 23:48.59: Dump Database table: wp_term_taxonomy
2011-07-05 23:48.59: Dump Database table: wp_terms
2011-07-05 23:48.59: Dump Database table: wp_usermeta
2011-07-05 23:48.59: Dump Database table: wp_users
2011-07-05 23:48.59: Database Dump done!
2011-07-05 23:48.59: Add Database Dump to Backup list: wp_webshare_wordpress.sql 3.47 MB
2011-07-05 23:48.59: 1. Try for wordpress export to XML file…
2011-07-05 23:49.00: Add XML export to backup list: XYZsite.wordpress.2011-07-05.xml 287.35 KB
2011-07-05 23:49.00: 1. Try for make a list of files to Backup ….
2011-07-05 23:49.01: Files to Backup: 2257
2011-07-05 23:49.01: Size of all Files: 46.63 MB
2011-07-05 23:49.01: 1. Try to create backup zip file…
2011-07-05 23:49.01: [ERROR]Class ‘ZipArchive’ not found
2011-07-05 23:49.01: 1. Script stop! Will started again now!
2011-07-05 23:49.02: 2. Try to create backup zip file…
2011-07-05 23:49.02: [ERROR]Class ‘ZipArchive’ not found
2011-07-05 23:49.02: 2. Script stop! Will started again now!
2011-07-05 23:49.02: 3. Try to create backup zip file…
2011-07-05 23:49.02: [ERROR]Class ‘ZipArchive’ not found
2011-07-05 23:49.02: 3. Script stop! Will started again now!
2011-07-05 23:49.02: [ERROR] Step arborted has too many trys!!!
2011-07-05 23:49.02: 1. Try to run Database check…
2011-07-05 23:49.02: Result of table check for wp_commentmeta is: OK
2011-07-05 23:49.02: Result of table check for wp_comments is: OK
2011-07-05 23:49.02: Result of table check for wp_links is: OK
2011-07-05 23:49.02: Result of table check for wp_mnm_spider_tracker is: OK
2011-07-05 23:49.02: Result of table check for wp_mnm_spider_tracker_log is: OK
2011-07-05 23:49.02: Result of table check for wp_mscr_intrusions is: OK
2011-07-05 23:49.02: Result of table check for wp_options is: OK
2011-07-05 23:49.02: Result of table check for wp_postmeta is: OK
2011-07-05 23:49.02: Result of table check for wp_posts is: OK
2011-07-05 23:49.02: Result of table check for wp_term_relationships is: OK
2011-07-05 23:49.02: Result of table check for wp_term_taxonomy is: OK
2011-07-05 23:49.02: Result of table check for wp_terms is: OK
2011-07-05 23:49.02: Result of table check for wp_usermeta is: OK
2011-07-05 23:49.02: Result of table check for wp_users is: OK
2011-07-05 23:49.02: Database check done!
2011-07-05 23:49.02: 1. Try to run database optimize…
2011-07-05 23:49.02: Result of table optimize for wp_commentmeta is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_comments is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_links is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_mnm_spider_tracker is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_mnm_spider_tracker_log is: OK
2011-07-05 23:49.02: Result of table optimize for wp_mscr_intrusions is: OK
2011-07-05 23:49.02: Result of table optimize for wp_options is: OK
2011-07-05 23:49.02: Result of table optimize for wp_postmeta is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_posts is: OK
2011-07-05 23:49.02: Result of table optimize for wp_term_relationships is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_term_taxonomy is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_terms is: Table is already up to date
2011-07-05 23:49.02: Result of table optimize for wp_usermeta is: OK
2011-07-05 23:49.02: Result of table optimize for wp_users is: Table is already up to date
2011-07-05 23:49.02: Database optimize done!
2011-07-05 23:49.02: Job done in 4 sec.
2011-07-05 23:49.13: Job done in 15 sec.