diff --git a/bot.js b/bot.js
index 7fba480..e033562 100644
--- a/bot.js
+++ b/bot.js
@@ -101,7 +101,7 @@ function createBot (options = {}) {
       if (bot.autoReconnect && !options.client) {
         setTimeout(() => {
           bot._initClient()
-	}, 6000)
+        }, 6000)
       }
     })
 
diff --git a/commands/seen.js b/commands/seen.js
index ce878ce..ad7a6ff 100644
--- a/commands/seen.js
+++ b/commands/seen.js
@@ -41,9 +41,21 @@ module.exports = {
       { text: '', ...bot.styles.primary },
       { text: username, ...bot.styles.secondary },
       ' was first seen on ',
-      { text: first, ...bot.styles.secondary },
+      { text: first.date + '', ...bot.styles.secondary },
+      ' at ',
+      { ...this.formatServer(first), ...bot.styles.secondary },
       ' and last seen on ',
-      { text: last, ...bot.styles.secondary }
+      { text: last.date + '', ...bot.styles.secondary },
+      ' at ',
+      { ...this.formatServer(last), ...bot.styles.secondary }
     ], false)
+  },
+
+  formatServer (value) {
+    if (!value.host) return { text: 'unknown server', italic: true }
+
+    let text = value.host
+    if (value.port && value.port !== 25565) text += ':' + value.port
+    return { text }
   }
 }
diff --git a/plugins/player_data.js b/plugins/player_data.js
index bea5da4..42e2b7a 100644
--- a/plugins/player_data.js
+++ b/plugins/player_data.js
@@ -54,7 +54,16 @@ async function inject (bot) {
 
     bot.emit('player_data_unloading', player, data)
 
-    await data.unload(true)
+    try {
+      await data.unload(true)
+    } catch (error) {
+      console.error('Failed to unload data for player %s (%s):', data?.data?.username, data?.filename, error)
+      try {
+        console.error('Contents:', JSON.stringify(data))
+      } catch {
+        console.log('Unable to print contents')
+      }
+    }
     delete bot.playerData[player.uuid]
   })
 }
@@ -64,7 +73,7 @@ async function saveAll () {
   for (const uuid in playerData) {
     const data = playerData[uuid]
     if (!data?.data) {
-      // We _somehow_ found some unloaded data
+      // We *somehow* found some unloaded data
       delete playerData[uuid]
       continue
     }
@@ -72,7 +81,7 @@ async function saveAll () {
     try {
       await data.save()
     } catch (error) {
-      console.error('Unable to write data for player %s:', data?.data?.username, error)
+      console.error('Unable to write data for player %s (%s):', data?.data?.username, data?.filepath, error)
     }
   }
   console.log('Saved!')
diff --git a/plugins/seen.js b/plugins/seen.js
index 60c0ca8..b9f2d08 100644
--- a/plugins/seen.js
+++ b/plugins/seen.js
@@ -4,20 +4,24 @@ function inject (bot) {
     const seenData = data.data.seen
 
     if (seenData.first == null) {
-      seenData.first = new Date()
+      seenData.first = createSeenValue()
       bot.tellraw([
         { text: 'Welcome ', ...bot.styles.primary },
         { text: player.username, ...bot.styles.secondary },
         ' to the server!'
       ], '@a')
     }
-    seenData.last = new Date()
+    seenData.last = createSeenValue()
   })
 
   bot.on('player_data_unloading', (player, data) => {
     const seenData = data.data.seen
-    if (seenData != null) seenData.last = new Date()
+    if (seenData != null) seenData.last = createSeenValue()
   })
+
+  function createSeenValue () {
+     return { date: new Date(), host: bot.host, port: bot.port ?? 25565 }
+  }
 }
 
 module.exports = inject
diff --git a/plugins/self_care.js b/plugins/self_care.js
index ae282fc..570bd93 100644
--- a/plugins/self_care.js
+++ b/plugins/self_care.js
@@ -8,7 +8,7 @@ const COMMANDSPY_DISABLED_MESSAGE_2 = { extra: [ 'Successfully ', 'disabled', '
 function inject (bot) {
   let permissionLevel, gamemode, commandSpyEnabled, vanished, godEnabled
 
-  bot.on('packet.login', packet => {console.log(packet)
+  bot.on('packet.login', packet => {
     permissionLevel = 0
     gamemode = packet.gameMode
     commandSpyEnabled = false
diff --git a/util/player_data.js b/util/player_data.js
index 4a24734..edc251a 100644
--- a/util/player_data.js
+++ b/util/player_data.js
@@ -12,8 +12,8 @@ class PlayerData extends PersistentData {
 
     if (data.seen?.value) {
       parsed.seen = {}
-      if (data.seen.value.first?.value) parsed.seen.first = new Date(Number(data.seen.value.first?.value))
-      if (data.seen.value.last?.value) parsed.seen.last = new Date(Number(data.seen.value.last?.value))
+      if (data.seen.value.first?.value) parsed.seen.first = this.#parseSeenValue(data.seen.value.first)
+      if (data.seen.value.last?.value) parsed.seen.last = this.#parseSeenValue(data.seen.value.last)
     }
 
     if (data.mail?.value?.value && Array.isArray(data.mail.value.value)) {
@@ -26,26 +26,39 @@ class PlayerData extends PersistentData {
   }
 
   #parseMail (mail) {
-    const signedPort = Number(mail?.port?.value ?? 25565)
-    const uint16Array = new Uint16Array(1)
-    uint16Array[0] = signedPort
-    const unsignedPort = uint16Array[0]
-
     return {
       sender: String(mail?.sender?.value),
       message: String(mail?.message?.value),
       host: String(mail?.host?.value),
-      port: unsignedPort
+      port: this.#int16ToUint16(Number(mail?.port?.value ?? 25565))
     }
   }
 
+  #parseSeenValue (value) {
+    if (typeof value.value === 'number' || typeof value.value === 'bigint' || value.type === 'long' /* BigIntExtended moment */) {
+      return { date: new Date(Number(value.value)) }
+    }
+
+    const result = {}
+    if (value.value?.date?.value) result.date = new Date(Number(value?.value?.date?.value))
+    if (value.value?.host?.value) result.host = String(value?.value?.host?.value)
+    if (value.value?.port?.value) result.port = this.#int16ToUint16(Number(value?.value?.port?.value ?? 25565))
+    return result
+  }
+
+  #int16ToUint16 (value) {
+    const uint16Array = new Uint16Array(1)
+    uint16Array[0] = value
+    return uint16Array[0]
+  }
+
   unparse (parsed) {
     const data = {}
 
     if (parsed.username) data.username = nbt.string(parsed.username)
 
     if (parsed.seen) {
-      data.seen = nbt.comp({ first: nbt.long(BigInt(parsed.seen.first.getTime())), last: nbt.long(BigInt(parsed.seen.last.getTime())) })
+      data.seen = nbt.comp({ first: this.#unparseSeenValue(parsed.seen.first), last: this.#unparseSeenValue(parsed.seen.last) })
     }
 
     if (parsed.mail) {
@@ -58,19 +71,30 @@ class PlayerData extends PersistentData {
   }
 
   #unparseMail (mail) {
-    const unsignedPort = mail.port ?? 25565
-    const int16Array = new Int16Array(1)
-    int16Array[0] = unsignedPort
-    const signedPort = int16Array[0]
-
     const result = {
       sender: nbt.string(mail.sender),
       message: nbt.string(mail.message),
       host: nbt.string(mail.host)
     }
-    if (unsignedPort !== 25565) result.port = nbt.short(signedPort)
+    if (mail.port !== 25565) result.port = nbt.short(this.#uint16ToInt16(mail.port))
     return result
   }
+
+  #unparseSeenValue (value) {
+    if (value.host == null && value.port == null) return nbt.long(BigInt(value.date.getTime()))
+
+    return nbt.comp({
+      date: nbt.long(BigInt(value.date.getTime())),
+      host: nbt.string(value.host),
+      port: nbt.short(this.#uint16ToInt16(value.port))
+    })
+  }
+
+  #uint16ToInt16 (value) {
+    const int16Array = new Int16Array(1)
+    int16Array[0] = value
+    return int16Array[0]
+  }
 }
 
 module.exports = PlayerData