# Deployed to mainnet but errored with insufficient funds

**URL:** <https://forum.openzeppelin.com/t/deployed-to-mainnet-but-errored-with-insufficient-funds/5006>\
**Category:** Upgrades\
**Tags:** erc20, proxies\
**Created:** [December 11, 2020, 11:25am UTC](https://forum.openzeppelin.com/t/deployed-to-mainnet-but-errored-with-insufficient-funds/5006 "2020-12-11T11:25:16Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![abcoathup](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.openzeppelin.com/abcoathup/32/415_2.png) [@abcoathup](https://forum.openzeppelin.com/u/abcoathup)\
**Post date:** [December 14, 2020, 5:33am UTC](https://forum.openzeppelin.com/t/deployed-to-mainnet-but-errored-with-insufficient-funds/5006/6 "2020-12-14T05:33:52Z")

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HI @intoverq,

To verify the implementation contract we can do the following (rather than flattening): [Verify smart contract inheriting from OpenZeppelin Contracts](https://forum.openzeppelin.com/t/verify-smart-contract-inheriting-from-openzeppelin-contracts/4119)

If you still have issues, please create a separate topic in #support:contracts

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