An error pops up when I try to add metadata of thousands of fb2 books from files
calibre, version 5.6.0
HATA: Başarısız: ConstraintError: UNIQUE constraint failed: publishers.name
Traceback (most recent call last):
File "calibre\gui2\dialogs\metadata_bulk.py", line 171, in do_it
File "calibre\gui2\dialogs\metadata_bulk.py", line 225, in do_all
File "calibre\gui2\dialogs\metadata_bulk.py", line 207, in read_file_metadata
File "calibre\db\cache.py", line 72, in call_func_with_lock
File "calibre\db\cache.py", line 1409, in set_metadata
File "calibre\db\cache.py", line 1371, in protected_set_field
File "calibre\db\cache.py", line 1349, in set_field
File "calibre\db\cache.py", line 1169, in set_field
File "calibre\db\write.py", line 543, in set_books
File "calibre\db\write.py", line 317, in many_one
File "calibre\db\write.py", line 271, in get_db_id
File "calibre\db\backend.py", line 920, in execute
apsw.ConstraintError: ConstraintError: UNIQUE constraint failed: publishers.name
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