<ul><li>The user is having trouble generating blocks for Regtest and is encountering an "ERROR: AcceptBlock: bad-cb-height" message.</li><li>The user is trying to mine a block with a height of 1, which is below the minimum block height of 500 for BIP34 to be enabled.</li><li>The user is confused about why the height is causing an issue since it should be valid for a height below 500.</li><li>The user provides the Coinbase transaction details and seeks help in understanding the problem.</li></ul>

bad_cb_height in regtest in every block (even for very small heights)

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