diff --git a/api/vinlottisErrors.js b/api/vinlottisErrors.js
new file mode 100644
index 0000000..d812627
--- /dev/null
+++ b/api/vinlottisErrors.js
@@ -0,0 +1,90 @@
+class UserNotFound extends Error {
+  constructor(message = "User not found.") {
+    super(message);
+    this.name = "UserNotFound";
+    this.statusCode = 404;
+  }
+
+  // TODO log missing user
+}
+
+class WineNotFound extends Error {
+  constructor(message = "Wine not found.") {
+    super(message);
+    this.name = "WineNotFound";
+    this.statusCode = 404;
+  }
+
+  // TODO log missing user
+}
+
+class WinnerNotFound extends Error {
+  constructor(message = "Winner not found.") {
+    super(message);
+    this.name = "WinnerNotFound";
+    this.statusCode = 404;
+  }
+
+  // TODO log missing user
+}
+
+class WinnersTimelimitExpired extends Error {
+  constructor(message = "Timelimit expired, you will need to wait until it's your turn again.") {
+    super(message);
+    this.name = "WinnersTimelimitExpired";
+    this.statusCode = 403;
+  }
+}
+
+class WineSelectionWinnerNotNextInLine extends Error {
+  constructor(message = "Not the winner next in line!") {
+    super(message);
+    this.name = "WineSelectionWinnerNotNextInLine";
+    this.statusCode = 403;
+  }
+
+  // TODO log missing user
+}
+
+class NoMoreAttendeesToWin extends Error {
+  constructor(message = "No more attendees left to drawn from.") {
+    super(message);
+    this.name = "NoMoreAttendeesToWin";
+    this.statusCode = 404;
+  }
+}
+
+class CouldNotFindNewWinnerAfterNTries extends Error {
+  constructor(tries) {
+    let message = `Could not a new winner after ${tries} tries.`;
+    super(message);
+    this.name = "CouldNotFindNewWinnerAfterNTries";
+    this.statusCode = 404;
+  }
+}
+
+class LotteryByDateNotFound extends Error {
+  constructor(date) {
+    const ye = new Intl.DateTimeFormat("en", { year: "numeric" }).format(date);
+    const mo = new Intl.DateTimeFormat("en", { month: "2-digit" }).format(date);
+    const da = new Intl.DateTimeFormat("en", { day: "2-digit" }).format(date);
+
+    const dateString = `${ye}-${mo}-${da}`;
+    const dateUnix = date.getTime();
+    const message = `Could not find lottery for date: ${dateString}.`;
+    super(message);
+    this.name = "LotteryByDateNotFoundError";
+    this.statusCode = 404;
+  }
+}
+
+module.exports = {
+  UserNotFound,
+  WineNotFound,
+  WinnerNotFound,
+  WinnersTimelimitExpired,
+  WineSelectionWinnerNotNextInLine,
+  NoMoreAttendeesToWin,
+  CouldNotFindNewWinnerAfterNTries,
+  LotteryByDateNotFound
+};