Invalid KES signature OCERT but gLiveView shows KES is valid

[laplasz]

There was such case earlier for @LuckySlam

We were SlotLeader but we did not minted a BLOCK

I digged this a bit further. If your logs are not sent to a log file, use this to extract data from console. sudo journalctl -u cardano-node.service > block_fail.log Search for TraceNodeIsLeader, you will fin the slot you missed. In my case, it’s look like the last KES rotation was the problem. InvalidKesSignatureOCERT Invalid block b9753272f9a5517042a3617a8881daefdf556fb86d92e750b08b9d5783f4a9fa at slot 24975847: ExtValidationErrorHeader (HeaderProtocolError (HardForkValidationErrFromEra …

but not sure what was the solution