Dear all, Could anyone know how to solve the following error. Thanks a lot. Peter Zhao root@ubuntu:/home/koha# koha-index --verbose Attribute (conf_file) does not pass the type constraint because: Validation failed for 'Str' with value undef at accessor Koha::Contrib::Tamil::Koha::conf_file (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 19) line 4. Koha::Contrib::Tamil::Koha::conf_file('Koha::Contrib::Tamil::Koha=HASH(0xad4381c)', undef) called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 37 Koha::Contrib::Tamil::Koha::BUILD('Koha::Contrib::Tamil::Koha=HASH(0xad4381c)', 'HASH(0xaa94350)') called at constructor Koha::Contrib::Tamil::Koha::new (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 155) line 50 Koha::Contrib::Tamil::Koha::new('Koha::Contrib::Tamil::Koha') called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Indexer.pm line 86 Koha::Contrib::Tamil::Indexer::run('Koha::Contrib::Tamil::Indexer=HASH(0xacf1b64)') called at /usr/local/bin/koha-index line 25 root@ubuntu:/home/koha# koha-index --source authority --verbose Attribute (conf_file) does not pass the type constraint because: Validation failed for 'Str' with value undef at accessor Koha::Contrib::Tamil::Koha::conf_file (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 19) line 4. Koha::Contrib::Tamil::Koha::conf_file('Koha::Contrib::Tamil::Koha=HASH(0xab58824)', undef) called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 37 Koha::Contrib::Tamil::Koha::BUILD('Koha::Contrib::Tamil::Koha=HASH(0xab58824)', 'HASH(0xa8a9350)') called at constructor Koha::Contrib::Tamil::Koha::new (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 155) line 50 Koha::Contrib::Tamil::Koha::new('Koha::Contrib::Tamil::Koha') called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Indexer.pm line 86 Koha::Contrib::Tamil::Indexer::run('Koha::Contrib::Tamil::Indexer=HASH(0xab58a18)') called at /usr/local/bin/koha-index line 25 root@ubuntu:/home/koha# koha-index-daemon Starting Koha Indexer Daemon Attribute (conf_file) does not pass the type constraint because: Validation failed for 'Str' with value undef at accessor Koha::Contrib::Tamil::Koha::conf_file (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 19) line 4. Koha::Contrib::Tamil::Koha::conf_file('Koha::Contrib::Tamil::Koha=HASH(0xb218380)', undef) called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 37 Koha::Contrib::Tamil::Koha::BUILD('Koha::Contrib::Tamil::Koha=HASH(0xb218380)', 'HASH(0xb21836c)') called at constructor Koha::Contrib::Tamil::Koha::new (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 155) line 50 Koha::Contrib::Tamil::Koha::new('Koha::Contrib::Tamil::Koha') called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/IndexerDaemon.pm line 49 Koha::Contrib::Tamil::IndexerDaemon::BUILD('Koha::Contrib::Tamil::IndexerDaemon=HASH(0xb646208)', 'HASH(0x92e5288)') called at constructor Koha::Contrib::Tamil::IndexerDaemon::new (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/IndexerDaemon.pm line 99) line 112 Koha::Contrib::Tamil::IndexerDaemon::new('Koha::Contrib::Tamil::IndexerDaemon', 'ARGV', 'ARRAY(0xb4d53c8)', 'extra_argv', 'ARRAY(0xb5f7944)', 'usage', 'Getopt::Long::Descriptive::Usage=HASH(0xb3bea84)') called at /usr/local/share/perl/5.14.2/MooseX/Getopt/Basic.pm line 104 MooseX::Getopt::Basic::new_with_options('Koha::Contrib::Tamil::IndexerDaemon') called at /usr/local/bin/koha-index-daemon line 20 root@ubuntu:/home/koha# koha-index-daemon --timeout 30 Starting Koha Indexer Daemon Attribute (conf_file) does not pass the type constraint because: Validation failed for 'Str' with value undef at accessor Koha::Contrib::Tamil::Koha::conf_file (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 19) line 4. Koha::Contrib::Tamil::Koha::conf_file('Koha::Contrib::Tamil::Koha=HASH(0xb268fd0)', undef) called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 37 Koha::Contrib::Tamil::Koha::BUILD('Koha::Contrib::Tamil::Koha=HASH(0xb268fd0)', 'HASH(0xb268fbc)') called at constructor Koha::Contrib::Tamil::Koha::new (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/Koha.pm line 155) line 50 Koha::Contrib::Tamil::Koha::new('Koha::Contrib::Tamil::Koha') called at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/IndexerDaemon.pm line 49 Koha::Contrib::Tamil::IndexerDaemon::BUILD('Koha::Contrib::Tamil::IndexerDaemon=HASH(0xb6a7ee4)', 'HASH(0xb6a7f84)') called at constructor Koha::Contrib::Tamil::IndexerDaemon::new (defined at /usr/local/share/perl/5.14.2/Koha/Contrib/Tamil/IndexerDaemon.pm line 99) line 112 Koha::Contrib::Tamil::IndexerDaemon::new('Koha::Contrib::Tamil::IndexerDaemon', 'ARGV', 'ARRAY(0xb536fd0)', 'extra_argv', 'ARRAY(0xb65970c)', 'usage', 'Getopt::Long::Descriptive::Usage=HASH(0xb4206f4)', 'timeout', 30) called at /usr/local/share/perl/5.14.2/MooseX/Getopt/Basic.pm line 104 MooseX::Getopt::Basic::new_with_options('Koha::Contrib::Tamil::IndexerDaemon') called at /usr/local/bin/koha-index-daemon line 20 root@ubuntu:/home/koha#