[Users] 3.16.0 crashes for me

[Michael Schwendt]

Terminal output is:

$ claws-mail 
/home/ms27/.claws-mail/tmp/mc-ms19f: unlink: Is a directory

(claws-mail:30715): Claws-Mail-CRITICAL **: imap_item_get_path: assertion 'folder_path != NULL' failed
folder.c:3967 Condition path != NULL failed
traceback:
0:	claws-mail(+0x172359) [0x559a1c592359]
1:	claws-mail(+0x17553f) [0x559a1c59553f]
2:	claws-mail(folder_item_get_msg_list+0x78) [0x559a1c595e78]
3:	claws-mail(+0x17f138) [0x559a1c59f138]
4:	claws-mail(+0x17f837) [0x559a1c59f837]
5:	claws-mail(gtk_sctree_insert_gnode+0x116) [0x559a1c74a146]
6:	claws-mail(gtk_sctree_insert_gnode+0x1b4) [0x559a1c74a1e4]
7:	claws-mail(folderview_set+0x22a) [0x559a1c5a1c0a]
8:	claws-mail(+0x182070) [0x559a1c5a2070]
9:	claws-mail(+0x2cc287) [0x559a1c6ec287]
10:	/lib64/libglib-2.0.so.0(g_hook_list_marshal+0x54) [0x7f1bde661524]
11:	claws-mail(hooks_invoke+0x59) [0x559a1c6ec979]
12:	claws-mail(folder_add+0xb8) [0x559a1c58f4a8]
13:	claws-mail(folder_read_list+0x68) [0x559a1c593908]
14:	claws-mail(main+0xc7b) [0x559a1c5492eb]
15:	/lib64/libc.so.6(__libc_start_main+0xea) [0x7f1bddc3e03a]
16:	claws-mail(_start+0x2a) [0x559a1c54b4da]


(claws-mail:30715): Claws-Mail-CRITICAL **: imap_item_get_path: assertion 'folder_path != NULL' failed
folder.c:3991 Condition path != NULL failed
traceback:
0:	claws-mail(+0x172659) [0x559a1c592659]
1:	claws-mail(+0x17554f) [0x559a1c59554f]
2:	claws-mail(folder_item_get_msg_list+0x78) [0x559a1c595e78]
3:	claws-mail(+0x17f138) [0x559a1c59f138]
4:	claws-mail(+0x17f837) [0x559a1c59f837]
5:	claws-mail(gtk_sctree_insert_gnode+0x116) [0x559a1c74a146]
6:	claws-mail(gtk_sctree_insert_gnode+0x1b4) [0x559a1c74a1e4]
7:	claws-mail(folderview_set+0x22a) [0x559a1c5a1c0a]
8:	claws-mail(+0x182070) [0x559a1c5a2070]
9:	claws-mail(+0x2cc287) [0x559a1c6ec287]
10:	/lib64/libglib-2.0.so.0(g_hook_list_marshal+0x54) [0x7f1bde661524]
11:	claws-mail(hooks_invoke+0x59) [0x559a1c6ec979]
12:	claws-mail(folder_add+0xb8) [0x559a1c58f4a8]
13:	claws-mail(folder_read_list+0x68) [0x559a1c593908]
14:	claws-mail(main+0xc7b) [0x559a1c5492eb]
15:	/lib64/libc.so.6(__libc_start_main+0xea) [0x7f1bddc3e03a]
16:	claws-mail(_start+0x2a) [0x559a1c54b4da]

msgcache.c:586 Condition cache_file != NULL failed
traceback:
0:	claws-mail(msgcache_read_cache+0xe8e) [0x559a1c5efd1e]
1:	claws-mail(+0x17556b) [0x559a1c59556b]
2:	claws-mail(folder_item_get_msg_list+0x78) [0x559a1c595e78]
3:	claws-mail(+0x17f138) [0x559a1c59f138]
4:	claws-mail(+0x17f837) [0x559a1c59f837]
5:	claws-mail(gtk_sctree_insert_gnode+0x116) [0x559a1c74a146]
6:	claws-mail(gtk_sctree_insert_gnode+0x1b4) [0x559a1c74a1e4]
7:	claws-mail(folderview_set+0x22a) [0x559a1c5a1c0a]
8:	claws-mail(+0x182070) [0x559a1c5a2070]
9:	claws-mail(+0x2cc287) [0x559a1c6ec287]
10:	/lib64/libglib-2.0.so.0(g_hook_list_marshal+0x54) [0x7f1bde661524]
11:	claws-mail(hooks_invoke+0x59) [0x559a1c6ec979]
12:	claws-mail(folder_add+0xb8) [0x559a1c58f4a8]
13:	claws-mail(folder_read_list+0x68) [0x559a1c593908]
14:	claws-mail(main+0xc7b) [0x559a1c5492eb]
15:	/lib64/libc.so.6(__libc_start_main+0xea) [0x7f1bddc3e03a]
16:	claws-mail(_start+0x2a) [0x559a1c54b4da]


(claws-mail:30715): Claws-Mail-CRITICAL **: imap_item_get_path: assertion 'folder_path != NULL' failed
Segmentation fault (core dumped)