Error when querying block chain balance

Problem Definition

Error when querying block chain balance:

查询区块链余额时出错：The backend query task died unexpectedly: 'FVal' object is not subscriptable

获取所有余额失败：The backend query task died unexpectedly: 'FVal' object is not subscriptable

无法检索 Aave 余额： The backend query task died unexpectedly: 'FVal' object is not subscriptable

无法检索 Compound 余额：The backend query task died unexpectedly: 'FVal' object is not subscriptable

无法检索 yearn.finance 金库 v1 余额：The backend query task died unexpectedly: 'FVal' object is not subscriptable

无法检索 yearn.finance 金库 v2 余额：The backend query task died unexpectedly: 'FVal' object is not subscriptable

Operating system: Windows 11
Rotki version:1.37.0