A salesforce platform events / cometd debug log snippet showing problem with jsforce ReplayExtension

salesforce-cometd-traffic.debug.log

message from Salesforce: { ext: { replay: true, 'payload.format': true },
  minimumVersion: '1.0',
  clientId: 'l0s1u9zof06ofqqkdkk92jldqgmk',
  supportedConnectionTypes: [ 'long-polling' ],
  channel: '/meta/handshake',
  id: '1',
  version: '1.0',
  successful: true } +396ms
message to Salesforce: { channel: '/meta/connect',
  clientId: 'l0s1u9zof06ofqqkdkk92jldqgmk',
  connectionType: 'long-polling',
  id: '2' } +3ms
message to Salesforce: { channel: '/meta/subscribe',
  clientId: 'l0s1u9zof06ofqqkdkk92jldqgmk',
  subscription: '/event/Account_Change__e',
  id: '3',
  ext: { replay: { '/event/Account_Change__e': '-2' } } } +0ms
message to Salesforce: { channel: '/meta/subscribe',
  clientId: 'l0s1u9zof06ofqqkdkk92jldqgmk',
  subscription: '/event/Contact_Change__e',
  id: '4',
  ext: { replay: { '/event/Account_Change__e': '-2' } } } +1ms
message from Salesforce: { clientId: 'l0s1u9zof06ofqqkdkk92jldqgmk',
  advice: { interval: 0, timeout: 110000, reconnect: 'retry' },
  channel: '/meta/connect',
  id: '2',
  successful: true } +179ms
message from Salesforce: { clientId: 'l0s1u9zof06ofqqkdkk92jldqgmk',
  channel: '/meta/subscribe',
  id: '3',
  subscription: '/event/Account_Change__e',
  successful: true } +1ms
message from Salesforce: { clientId: 'l0s1u9zof06ofqqkdkk92jldqgmk',
  channel: '/meta/subscribe',
  id: '4',
  subscription: '/event/Contact_Change__e',
  error: '400::The replayId for channel {/event/Contact_Change__e} wasn\'t found using the provided replay ID map {{/event/Account_Change__e=-2}}. Ensure that the channel name you provided in the replay map is valid and matches the channel name used for subscribing.',
  successful: false } +0ms

for jsforce/jsforce#814