Unable to verify contracts via push or automatically

Trying to push my contracts after deployment, faced a few errors.

Tenderly Current CLI version: v1.4.7 Hardhat Version: 2.12.2 Compiler version: 0.8.17

➜  verify-test git:(main) ✗ tenderly push
Command "push" is deprecated, Use "tenderly contracts push"
Setting up your project...
Analyzing Hardhat configuration...
Couldn't read Hardhat config file

Used this temp fix for the above error: https://github.com/Tenderly/tenderly-cli/issues/108#issuecomment-1312219787

➜  verify-test git:(main) ✗ tenderly push
Command "push" is deprecated, Use "tenderly contracts push"
Setting up your project...
Analyzing Hardhat configuration...
Pushing Smart Contracts for project: project
We have detected the following Smart Contracts:
• Greeter
•  (not deployed to any network, will be used as a library contract)
Internal Server Error
Some of the project pushes were not successful. Please see the list above

Automatic verification also fails.

➜  verify-test git:(main) ✗ npx hardhat run script/deploy.ts --network goerli
You have both ethereum-waffle and @nomicfoundation/hardhat-chai-matchers installed. They don't work correctly together, so please make sure you only use one.

We recommend you migrate to @nomicfoundation/hardhat-chai-matchers. Learn how to do it here: https://hardhat.org/migrate-from-waffle
(node:46336) ExperimentalWarning: stream/web is an experimental feature. This feature could change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
Warning: SPDX license identifier not provided in source file. Before publishing, consider adding a comment containing "SPDX-License-Identifier: <SPDX-License>" to each source file. Use "SPDX-License-Identifier: UNLICENSED" for non-open-source code. Please see https://spdx.org for more information.
--> src/Greeter.sol

Compiled 3 Solidity files successfully
You have both ethereum-waffle and @nomicfoundation/hardhat-chai-matchers installed. They don't work correctly together, so please make sure you only use one.

We recommend you migrate to @nomicfoundation/hardhat-chai-matchers. Learn how to do it here: https://hardhat.org/migrate-from-waffle
(node:46345) ExperimentalWarning: stream/web is an experimental feature. This feature could change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
Unexpected error occurred. 
  Error reason 404 Not Found. 
  Error context: 404 page not found

Error in hardhat-tenderly: Verification failed. There was an error during the API request, please contact support with the above error.
{Greeter} deployed to 0x2E8719ffE56874730994a1f882acBF2ce77b122E

Sample repo:

https://github.com/zlace0x/verify-test

Tenderly / tenderly-cli

Unable to verify contracts via push or automatically #115