FormatException Unexpected character

[ristiisa]

FormatException (FormatException: Unexpected character (at character 372)
...LogLevel.INFO","stacktrace":"null"}}{"key":6319,"store":"flogs","value":...
                                       ^
)

_ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1404)
_ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:869)
_parseJson (dart:convert-patch/convert_patch.dart:40)
JsonDecoder.convert (dart:convert/json.dart:506)
JsonCodec.decode (dart:convert/json.dart:157)
SembastDatabase.decodeRecordLineString (\Users\silver\.pub-cache\hosted\pub.dartlang.org\sembast-3.0.2\lib\src\database_impl.dart:220)
SembastDatabase.open.<anonymous closure>.import (\Users\silver\.pub-cache\hosted\pub.dartlang.org\sembast-3.0.2\lib\src\database_impl.dart:793)
<asynchronous gap> (Unknown Source:0)
SembastDatabase.open.<anonymous closure> (\Users\silver\.pub-cache\hosted\pub.dartlang.org\sembast-3.0.2\lib\src\database_impl.dart:842)
<asynchronous gap> (Unknown Source:0)
BasicLock.synchronized (\Users\silver\.pub-cache\hosted\pub.dartlang.org\synchronized-3.0.0\lib\src\basic_lock.dart:33)
<asynchronous gap> (Unknown Source:0)
SembastDatabase.open (\Users\silver\.pub-cache\hosted\pub.dartlang.org\sembast-3.0.2\lib\src\database_impl.dart:638)
<asynchronous gap> (Unknown Source:0)
DatabaseOpenHelper.openDatabase.<anonymous closure> (\Users\silver\.pub-cache\hosted\pub.dartlang.org\sembast-3.0.2\lib\src\database_factory_mixin.dart:86)
<asynchronous gap> (Unknown Source:0)
BasicLock.synchronized (\Users\silver\.pub-cache\hosted\pub.dartlang.org\synchronized-3.0.0\lib\src\basic_lock.dart:33)
<asynchronous gap> (Unknown Source:0)
AppDatabase._openDatabase (\Users\silver\.pub-cache\git\Flogs-edec750a0149d54aecec608a12556066211da9fd\lib\data\local\app_database.dart:59)
<asynchronous gap> (Unknown Source:0)