Unknown type: ICErc20 when been compiled

[franklili3]

I have installed hardhat and solidity, when I run yarn compile, there is error,

Creating Typechain artifacts in directory typechain for target ethers-v5
Error: Unknown type: ICErc20
at Object.parseEvmType (/Users/linda/myprojects/set-protocol-v2/node_modules/typechain/src/parser/parseEvmType.ts:96:9)
at parseRawAbiParameterType (/Users/linda/myprojects/set-protocol-v2/node_modules/typechain/src/parser/abiParser.ts:284:10)
at parseRawAbiParameter (/Users/linda/myprojects/set-protocol-v2/node_modules/typechain/src/parser/abiParser.ts:273:11)
at Array.map ()
at parseFunctionDeclaration (/Users/linda/myprojects/set-protocol-v2/node_modules/typechain/src/parser/abiParser.ts:263:29)
at /Users/linda/myprojects/set-protocol-v2/node_modules/typechain/src/parser/abiParser.ts:157:22
at Array.forEach ()
at Object.parse (/Users/linda/myprojects/set-protocol-v2/node_modules/typechain/src/parser/abiParser.ts:138:7)
at Ethers.transformAbiOrFullJsonFile (/Users/linda/myprojects/set-protocol-v2/node_modules/@typechain/ethers-v5/src/index.ts:86:22)
at Ethers.transformFile (/Users/linda/myprojects/set-protocol-v2/node_modules/@typechain/ethers-v5/src/index.ts:56:17)
error Command failed with exit code 1.

How can I do?
MacOS Mojave 10.14.6
solidity@6
Hardhat 2.2.1

[franklili3]

I got the reason, because I have not run yarn install. But when I run 'yarn install', there was error:

$ tsc -p tsconfig.dist.json
typechain/Erc20Factory.ts:9:15 - error TS2724: Module '"./Erc20"' has no exported member 'Erc20'. Did you mean 'ERC20'?
9 import type { Erc20 } from "./Erc20";
~~~~~
typechain/Erc20.ts:104:22
104 export declare class ERC20 extends Contract {
~~~~~
'ERC20' is declared here.
typechain/Erc20ViewerFactory.ts:9:15 - error TS2724: Module '"./Erc20Viewer"' has no exported member 'Erc20Viewer'. Did you mean 'ERC20Viewer'?
9 import type { Erc20Viewer } from "./Erc20Viewer";
~~~~~~~~~~~
typechain/Erc20Viewer.ts:49:22
49 export declare class ERC20Viewer extends Contract {
~~~~~~~~~~~
'ERC20Viewer' is declared here.
typechain/ExplicitErc20MockFactory.ts:9:15 - error TS2724: Module '"./ExplicitERC20Mock"' has no exported member 'ExplicitErc20Mock'. Did you mean 'ExplicitERC20Mock'?
9 import type { ExplicitErc20Mock } from "./ExplicitErc20Mock";
~~~~~~~~~~~~~~~~~
typechain/ExplicitERC20Mock.ts:41:22
41 export declare class ExplicitERC20Mock extends Contract {
~~~~~~~~~~~~~~~~~
'ExplicitERC20Mock' is declared here.
typechain/NavIssuanceCallerFactory.ts:9:15 - error TS2724: Module '"./NAVIssuanceCaller"' has no exported member 'NavIssuanceCaller'. Did you mean 'NAVIssuanceCaller'?
9 import type { NavIssuanceCaller } from "./NavIssuanceCaller";
~~~~~~~~~~~~~~~~~
typechain/NAVIssuanceCaller.ts:53:22
53 export declare class NAVIssuanceCaller extends Contract {
~~~~~~~~~~~~~~~~~
'NAVIssuanceCaller' is declared here.
typechain/NavIssuanceHookMockFactory.ts:9:15 - error TS2724: Module '"./NAVIssuanceHookMock"' has no exported member 'NavIssuanceHookMock'. Did you mean 'NAVIssuanceHookMock'?
9 import type { NavIssuanceHookMock } from "./NavIssuanceHookMock";
~~~~~~~~~~~~~~~~~~~
typechain/NAVIssuanceHookMock.ts:104:22
104 export declare class NAVIssuanceHookMock extends Contract {
~~~~~~~~~~~~~~~~~~~
'NAVIssuanceHookMock' is declared here.
Found 5 errors.
error Command failed with exit code 2.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
error Command failed with exit code 2.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
error Command failed with exit code 2.
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.

How can I do?
MacOS Mojave 10.14.6
solidity@6.10
Hardhat 2.2.1