[2024-08-02 00:09:59.903] ERROR[3349189]: imap_server_flags.c:43 parse_keyword: Failed soft assertion 0
[2024-08-02 00:09:59.907] ERROR[3349189]: backtrace.c:263 bbs_log_backtrace: Got 9 backtrace records
[2024-08-02 00:10:00.095] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 0: lbbs bbs_log_backtrace()
[2024-08-02 00:10:00.095] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 1: [0x7f1171fca6b5] net_imap.so imap_server_flags.c:200 __parse_flags_string()
[2024-08-02 00:10:00.096] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 2: [0x7f1171fe1af8] net_imap.so net_imap.c:2446 handle_append()
[2024-08-02 00:10:00.096] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 3: [0x7f1171fec105] net_imap.so net_imap.c:4402 imap_process()
[2024-08-02 00:10:00.096] ERROR[3349189]: backtrace.c:283 bbs_log_backtrace: 4: [0x7f1171fed46e] net_imap.so net_imap.c:4644 handle_client()
[2024-08-02 00:10:00.096] ERROR[3349189]: backtrace.c:283 bbs_log_backtrace: 4: [ inlined] net_imap.so net_imap.c:4688 imap_handler()
[2024-08-02 00:10:00.096] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 5: [0x7f1171fed9a4] net_imap.so net_imap.c:4719 __imap_handler()
[2024-08-02 00:10:00.096] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 6: lbbs <unknown>()
[2024-08-02 00:10:00.096] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 7: [0x7f1179ddd134] libc.so.6 pthread_create.c:442 start_thread()
[2024-08-02 00:10:00.097] ERROR[3349189]: backtrace.c:287 bbs_log_backtrace: 8: [0x7f1179e5d7dc] libc.so.6 clone3.S:83 clone3()
[2024-08-02 00:10:00.101] ERROR[3349189]: net_imap.c:394 generate_mailbox_name: Maildir length 0 <= root maildir length 17?
Also happens when trying to copy messages between accounts:
[2024-08-04 10:09:00.906] DEBUG[43029]: net_imap.c:4756 handle_client: 0x7f02df7fb5d0 => 13 UID COPY 99167 INBOX
[2024-08-04 10:09:00.906] DEBUG[43029]: net_imap.c:3080 handle_copy_move: Transparent copy/move between different servers (=> INBOX)
[2024-08-04 10:09:00.906] DEBUG[43029]: imap_client.c:447 __imap_client_send_log: 0x7f0304000e80 => 13 UID FETCH 99167 (UID INTERNALDATE FLAGS BODY.PEEK[])
[2024-08-04 10:09:02.442] ERROR[43029]: imap_server_flags.c:43 parse_keyword: Failed soft assertion 0
[2024-08-04 10:09:02.443] ERROR[43029]: backtrace.c:263 bbs_log_backtrace: Got 9 backtrace records
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:287 bbs_log_backtrace: 0: lbbs bbs_log_backtrace()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:287 bbs_log_backtrace: 1: [0x7f0315d3e655] net_imap.so imap_server_flags.c:200 __parse_flags_string()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:283 bbs_log_backtrace: 2: [0x7f0315d597e9] net_imap.so net_imap.c:2949 handle_remote_move()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:283 bbs_log_backtrace: 2: [ inlined] net_imap.so net_imap.c:3082 handle_copy_move()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:287 bbs_log_backtrace: 3: [0x7f0315d603e6] net_imap.so net_imap.c:4460 imap_process()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:283 bbs_log_backtrace: 4: [0x7f0315d61d76] net_imap.so net_imap.c:4758 handle_client()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:283 bbs_log_backtrace: 4: [ inlined] net_imap.so net_imap.c:4791 imap_handler()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:287 bbs_log_backtrace: 5: [0x7f0315d622a4] net_imap.so net_imap.c:4816 __imap_handler()
[2024-08-04 10:09:02.718] ERROR[43029]: backtrace.c:287 bbs_log_backtrace: 6: lbbs <unknown>()
[2024-08-04 10:09:02.719] ERROR[43029]: backtrace.c:287 bbs_log_backtrace: 7: [0x7f0326d75134] libc.so.6 pthread_create.c:442 start_thread()
[2024-08-04 10:09:02.719] ERROR[43029]: backtrace.c:287 bbs_log_backtrace: 8: [0x7f0326df57dc] libc.so.6 clone3.S:83 clone3()
[2024-08-04 10:09:02.719] DEBUG[43029]: mod_mail.c:1138 mailbox_get_next_uid: Assigned UIDNEXT 484 (UIDVALIDITY 1696856954) - current max UID: 484
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