Contract InheritanceManager has no fallback or receive function to receive eth.
Contract InheritanceManager has function sendETH to send Ether, function withdrawInheritedFunds is intended to send eth if _asset is 0. However, there is no way to send eth to the contract because it does not implement receive or fallback functions. Thus, the contract balance is always 0.
Contract does not support eth operations, while it is intended that the contract supports them..
manual review
Add a fallback function to the contract:
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