UnicodeEncodeError: 'decimal' codec can't encode characters in position 0-4: invalid decimal Unicode string

[Igor]

Calibre v2.48.0 / FreeBSD 10.2

./fb2/194642.fb2
Traceback (most recent call last):
  File "/usr/local/lib/calibre/calibre/db/cache.py", line 1252, in protected_set_field
    set_field(name, val, **kwargs)
  File "/usr/local/lib/calibre/calibre/db/cache.py", line 1232, in set_field
    self._set_field(name, {book_id:val}, do_path_update=False, allow_case_change=allow_case_change)
  File "/usr/local/lib/calibre/calibre/db/cache.py", line 1054, in set_field
    book_id_to_val_map, self.backend, allow_case_change=allow_case_change)
  File "/usr/local/lib/calibre/calibre/db/write.py", line 509, in set_books
    book_id_val_map.iteritems() if self.accept_vals(v)}
  File "/usr/local/lib/calibre/calibre/db/write.py", line 509, in <dictcomp>
    book_id_val_map.iteritems() if self.accept_vals(v)}
  File "/usr/local/lib/calibre/calibre/db/write.py", line 163, in <lambda>
    return lambda x: 1.0 if ans(x) is None else ans(x)
  File "/usr/local/lib/calibre/calibre/db/write.py", line 88, in adapt_number
    return typ(x)
UnicodeEncodeError: 'decimal' codec can't encode characters in position 0-4: invalid decimal Unicode string

[Igor (arabesc)]

./fb2/194643.fb2
Traceback (most recent call last):
  File "/usr/local/lib/calibre/calibre/db/cache.py", line 1252, in protected_set_field
    set_field(name, val, **kwargs)
  File "/usr/local/lib/calibre/calibre/db/cache.py", line 1232, in set_field
    self._set_field(name, {book_id:val}, do_path_update=False, allow_case_change=allow_case_change)
  File "/usr/local/lib/calibre/calibre/db/cache.py", line 1054, in set_field
    book_id_to_val_map, self.backend, allow_case_change=allow_case_change)
  File "/usr/local/lib/calibre/calibre/db/write.py", line 509, in set_books
    book_id_val_map.iteritems() if self.accept_vals(v)}
  File "/usr/local/lib/calibre/calibre/db/write.py", line 509, in <dictcomp>
    book_id_val_map.iteritems() if self.accept_vals(v)}
  File "/usr/local/lib/calibre/calibre/db/write.py", line 163, in <lambda>
    return lambda x: 1.0 if ans(x) is None else ans(x)
  File "/usr/local/lib/calibre/calibre/db/write.py", line 88, in adapt_number
    return typ(x)
UnicodeEncodeError: 'decimal' codec can't encode characters in position 0-4: invalid decimal Unicode string