Fix error handling/missing obj timing

index.mjs

@@ -52,6 +52,7 @@ connections
 
     c.on('online', () => subscribe())
 
+    c.on('error', e => console.error(e?.message || e))
   })
 
 // Play nice with Docker etc.

lib/events/ledgerReady.mjs

@@ -76,7 +76,11 @@ const ledgerReady = async (ledger, readyElement) => {
 }
 
 const waitForLedgerReady = ledgerIndex => {
-  return ledgers?.[String(ledgerIndex)]?.ready
+  if (!ledgers?.[String(ledgerIndex)]) {
+    ledgerReady(ledgerIndex) // Create, it'll time out by itself if it's old
+  }
+
+  return ledgers?.[String(ledgerIndex)]?.ready || Promise.resolve()
 }
 
 const isLedgerReady = ledgerIndex => {