Server fails with Handshake failed: no matching host key format

[zaverden]

node:events:368
      throw er; // Unhandled 'error' event
      ^

Error: Handshake failed: no matching host key format
    at makeError (/app/node_modules/ssh2/lib/protocol/utils.js:142:15)
    at doFatalError (/app/node_modules/ssh2/lib/protocol/utils.js:184:13)
    at handleKexInit (/app/node_modules/ssh2/lib/protocol/kex.js:274:12)
    at Protocol.onKEXPayload (/app/node_modules/ssh2/lib/protocol/kex.js:1755:14)
    at NullDecipher.decrypt (/app/node_modules/ssh2/lib/protocol/crypto.js:617:26)
    at Protocol.parsePacket [as _parse] (/app/node_modules/ssh2/lib/protocol/Protocol.js:1993:25)
    at Protocol.parse (/app/node_modules/ssh2/lib/protocol/Protocol.js:292:16)
    at Socket.<anonymous> (/app/node_modules/ssh2/lib/server.js:1203:17)
    at Socket.emit (node:events:390:28)
    at addChunk (node:internal/streams/readable:315:12)
Emitted 'error' event on Client instance at:
    at Socket.<anonymous> (/app/node_modules/ssh2/lib/server.js:1205:16)
    at Socket.emit (node:events:390:28)
    at addChunk (node:internal/streams/readable:315:12)
    at readableAddChunk (node:internal/streams/readable:289:9)
    at Socket.Readable.push (node:internal/streams/readable:228:10)
    at TCP.onStreamRead (node:internal/stream_base_commons:199:23) {
  level: 'handshake',
  fatal: true
}