You're not using proxies correctly. You should be using the ERC1967Proxy contract, without changes. You will find this contract in the openzeppelin-contracts repository and not in openzeppelin-contracts-upgradeable.
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Proxy.sol)
pragma solidity ^0.8.20;
import {Proxy} from "../Proxy.sol";
import {ERC1967Utils} from "./ERC1967Utils.sol";
/**
* @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
* implementation address that can be changed. This address is stored in storage in the location specified by
* https://eips.ethereum.org/EIPS/eip-1967[ERC-1967], so that it doesn't conflict with the storage layout of the
* implementation behind the proxy.
*/
contract ERC1967Proxy is Proxy {
/**
* @dev Initializes the upgradeable proxy with an initial implementation specified by `implementation`.
*
* If `_data` is nonempty, it's used as data in a delegate call to `implementation`. This will typically be an
* encoded function call, and allows initializing the storage of the proxy like a Solidity constructor.
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For how to use UUPSUpgradeable please refer to:
Transparent Proxy Pattern . While this pattern is still provided, our recommendation is now shifting towards UUPS proxies, which are both lightweight and versatile. The name UUPS comes from EIP1822 , which first documented the pattern.
While bot…