Hello
I do not know much English
I have two tables:

db.define_table('category', Field('name'))

db.define_table('books',
                Field('title', requires=IS_NOT_EMPTY('Введите название 
книги'), label='Название*'),
                Field('author', requires=IS_NOT_EMPTY('Введите автора'), 
label='Автор*'),
                Field('god', 'integer', label='Год выпуска'),
                Field('number_of_pages', 'integer', label='Количество 
страниц'),
                Field('languages', label='Язык книги*'),
                Field('category', 'reference category', label='Категория*'),
                Field('description', 'text', label='Описание'),
                Field('oblozhka', 'upload', label='Обложка'),
                Field('book', 'upload', label='Файл книги*', 
requires=IS_NOT_EMPTY('Загрузите файл книги'))
                )
But when i add a record to a table, I get an error:
IntegrityError: foreign key constraint failed
How to fix it?

-- 
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- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
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