[MainNet] Cannot activate node

General
1

Hello everyone,
I am totally new to Algorand, I’m trying to activate my node on the MainNet but I always receive the error:

Couldn't sign tx: key does not exist in this wallet (for multisig accounts, writ e tx to file and sign manually)

I’m using the command:
./goal account changeonlinestatus -a 'MyAddress' -o=1 -w 'MyWallet'

My node is 100% synchronized with the MainNet after a few days, and I have registered an account with a participation key.

Can anyone give me some hints?
Thank you

2

If your kmd instance does not have the secret key (which is what is recommended), you need to generate the transaction without signing it using the --txfile flag. Then you sign the transaction following https://developer.algorand.org/docs/features/transactions/offline_transactions/.

The page https://developer.algorand.org/docs/run-a-node/participate/online/ describes the whole process.