How can I solve this problem?

Development
1

2025-01-17T02:21:03Z ERROR: ConnectTip: ConnectBlock e44f22058d673531103f0f90d33f5b416c836b34467d2e4445f42861d1ed4500 failed, mweb-connect-failed, MWEB::Node::ConnectBlock(): Failed to connect MWEB block: ApplyBlock: Consensus Error: MMR_MISMATCH

version : Litecoin Core v0.21.4

How can I solve this problem???

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9

By giving out more details. What did you do. What is the problem.
Downloading core? Installing Wallet, Miner issues?

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10

Have you tried reindexing the MWEB chainstate? I’ve heard that can sometimes help in situations like this.