[Koha] Few problems

hi, when I install koha 2.2.9 on debian etch i get the following error in creating database DBD::mysql::st execute failed: Invalid default value for 'aqbudgetid' at scripts/updater/updatedatabase line 1717. DBD::mysql::st execute failed: Invalid default value for 'id' at scripts/updater/updatedatabase line 1717. and when I try ro print the barcode apache2 gines the error log Can't locate object method "barcode" via package "PDF::API2" at /usr/local/koha/intranet/cgi-bin/barcodes/barcodesGenerator.pl line 237. How can I correct it?? pls help me. Gilesh M P Lecturer CSE Govt College of Engineering Parassinikkadavu PO Kannur, Kerala - 670 563 Mob:09495663242,09387062397