Mar 18 16:50:40 imap(steffen@dovecot.devel.open-xchange.com): Panic: file fts-search.c: line 79 (level_scores_add_vuids): assertion failed: (array_count(&vuids_arr) == array_count(&br->scores)) Mar 18 16:50:40 imap(steffen@dovecot.devel.open-xchange.com): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x68adf) [0xb75c5adf] -> /usr/lib/dovecot/libdovecot.so.0(+0x68b61) [0xb75c5b61] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0xb75786f9] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0x9aca) [0xb73c2aca] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(fts_search_lookup+0xce) [0xb73c2b9e] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0xba19) [0xb73c4a19] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_search_init+0x5f) [0xb76aea7f] -> dovecot/imap(imap_search_start+0x74) [0xb778e304] -> dovecot/imap(cmd_search+0xfe) [0xb778147e] -> dovecot/imap(command_exec+0x3a) [0xb7787cca] -> dovecot/imap(+0x16b36) [0xb7786b36] -> dovecot/imap(+0x16c79) [0xb7786c79] -> dovecot/imap(client_handle_input+0x11d) [0xb7786ead] -> dovecot/imap(client_input+0x81) [0xb77872b1] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x44) [0xb75d86a4] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xee) [0xb75d972e] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x48) [0xb75d8138] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x2e) [0xb757e4ae] -> dovecot/imap(main+0x2f8) [0xb7779d08] -> /lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0xb7408e46] -> dovecot/imap(+0x9eb9) [0xb7779eb9] Mar 18 16:50:40 imap(steffen@dovecot.devel.open-xchange.com): Fatal: master: service(imap): child 8142 killed with signal 6 (core dumped)