Geary gets problems with the mail account

Dear all,

i just entered a IMAP and SMTP account in the System-Settings. After that I opened Geary and the program got data from manjaro and it works - firstly.
I can sea some mails I have got in the past - but not all!! I also can receive new mails and send mails. But after some time i get an Error:

Account identifier: goa_account_1605810791_0
Account provider: GEARY_SERVICE_PROVIDER_OTHER
Error type: GearyEngineError 8
Message: Folder GearyImapEngineOtherFolder(>Entwürfe, open_count=1, remote_opened=false) not available

Back trace:
 * geary_problem_report_construct
 * geary_account_problem_report_construct
 * application_main_window_prompt_empty_folder
 * application_main_window_new
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * sqlite3FtsUnicodeFold
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * sqlite3FtsUnicodeFold
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * sqlite3FtsUnicodeFold
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * sqlite3FtsUnicodeFold
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * turkish_UTF_8_create_env
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * turkish_UTF_8_create_env
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * turkish_UTF_8_create_env
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * turkish_UTF_8_create_env
 * g_socket_client_connect_to_uri_async
 * g_task_had_error
 * geary_nonblocking_lock_reset
 * geary_scheduler_scheduled_instance_get_type
 * g_main_context_dispatch
 * g_io_channel_new_file
 * g_main_context_iteration
 * g_application_run
 * _vala_main
 * __libc_start_main
 * _start

Some ideas?