sqlite3.OperationalError: Could not decode to UTF-8 column 'value'

[imoskovko]

Hello

There is error

DEBUG:mbutil.util:Exporting MBTiles to disk
DEBUG:mbutil.util:C:\Program Files\AggreGate\tiles\2017-07-03_russia.mbtiles --> tiles2
Traceback (most recent call last):
File "mb-util", line 80, in
mbtiles_to_disk(mbtiles_file, directory_path, **options.dict)
File "D:_Install\MapRetreive\mbutil-master\mbutil\util.py", line 298, in mbtiles_to_disk
metadata = dict(con.execute('select name, value from metadata;').fetchall())
sqlite3.OperationalError: Could not decode to UTF-8 column 'value' with text '{"vector_layers":[{"maxzoom":14,"fields":{
"class":"String"},"minzoom":0,"id":"water","description":""},{"maxzoom":14,"fields":{"name:mt":"String",

then trying to unpack PNG tiles into directory

I have useв file 2017-07-03_russia.mbtiles downloaded from
https://openmaptiles.com/downloads/dataset/osm/russia/

Could you look, please.
Thanks and regards,
Igor