Multiple contracts or interfaces with the same name

[Kehrenkamp]

Hello all, when I want to start the app.py comes the following error. The file is located in the metadata-api folder. Can someone help me here?

`opensea-creatures-master Kehrenkamp$ brownie run app.py Brownie v1.16.3 - Python development framework for Ethereum

File "brownie/_cli/main.py", line 64, in main importlib.import_module(f"brownie._cli.{cmd}").main() File "brownie/_cli/run.py", line 39, in main active_project = project.load() File "brownie/project/main.py", line 745, in load return Project(name, project_path) File "brownie/project/main.py", line 180, in init self.load() File "brownie/project/main.py", line 190, in load self._sources = Sources(contract_sources, interface_sources) File "brownie/project/sources.py", line 58, in init raise NamespaceCollision( NamespaceCollision: Multiple contracts or interfaces with the same name OwnableDelegateProxy: contracts/ERC1155Tradable.sol, contracts/ERC721Tradable.sol ProxyRegistry: contracts/ERC1155Tradable.sol, contracts/ERC721Tradable.sol`