IdentityProvider type 'ethereum' is not supported

[anarkrypto]

Following the step-by-step, I can connect to my Metamask provider and sign Identity. However, if I try to connect to Orbit-DB using this identity, this is the error I get in Orbit-DB.

2022-01-25T08:08:11.186Z [ERROR] orbit-db: Error: IdentityProvider type 'ethereum' is not supported
    at getHandlerFor (/root/services/orbitDB/node_modules/orbit-db-identity-provider/src/identities.js:19:11)
    at Identities.verifyIdentity (/root/services/orbitDB/node_modules/orbit-db-identity-provider/src/identities.js:92:30)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async saveToIpfs (/root/services/orbitDB/node_modules/orbit-db-store/src/Store.js:317:25)
    at async pEachSeries (/root/services/orbitDB/node_modules/p-each-series/index.js:8:23)
    at async OrbitDB._onMessage (/root/services/orbitDB/node_modules/orbit-db/src/OrbitDB.js:263:11)

orbit-db: 0.28.1 orbit-db-identity-provider: 0.4.0

Implemented with Node.JS