diff --git a/packages/backend-core/src/errors/errors.ts b/packages/backend-core/src/errors/errors.ts
index 54ca8456ab..4e1f1abbb5 100644
--- a/packages/backend-core/src/errors/errors.ts
+++ b/packages/backend-core/src/errors/errors.ts
@@ -97,3 +97,11 @@ export class InvalidAPIKeyError extends BudibaseError {
     )
   }
 }
+
+// USERS
+
+export class EmailUnavailableError extends Error {
+  constructor(email: string) {
+    super(`Email already in use: '${email}'`)
+  }
+}
diff --git a/packages/server/src/api/routes/tests/automation.spec.js b/packages/server/src/api/routes/tests/automation.spec.js
index 2eae5e2a61..47daa8975b 100644
--- a/packages/server/src/api/routes/tests/automation.spec.js
+++ b/packages/server/src/api/routes/tests/automation.spec.js
@@ -19,11 +19,14 @@ describe("/automations", () => {
 
   afterAll(setup.afterAll)
 
-  // For some reason this cannot be a beforeAll or the test "tests the automation successfully" fail
-  beforeEach(async () => {
+  beforeAll(async () => {
     await config.init()
   })
 
+  beforeEach(() => {
+    events.automation.deleted.mockClear()
+  })
+
   describe("get definitions", () => {
     it("returns a list of definitions for actions", async () => {
       const res = await request
diff --git a/packages/worker/src/api/routes/global/tests/scim.spec.ts b/packages/worker/src/api/routes/global/tests/scim.spec.ts
index 6c411a640d..e76e6b6cda 100644
--- a/packages/worker/src/api/routes/global/tests/scim.spec.ts
+++ b/packages/worker/src/api/routes/global/tests/scim.spec.ts
@@ -318,6 +318,15 @@ describe("scim", () => {
           await postScimUser({ body }, { expect: 500 })
         })
       })
+
+      it("creating an existing user name returns a conflict", async () => {
+        const body = structures.scim.createUserRequest()
+
+        await postScimUser({ body })
+
+        const res = await postScimUser({ body }, { expect: 409 })
+        expect((res as any).message).toBe("Email already in use")
+      })
     })
 
     describe("GET /api/global/scim/v2/users/:id", () => {
diff --git a/packages/worker/src/api/routes/global/tests/users.spec.ts b/packages/worker/src/api/routes/global/tests/users.spec.ts
index d1afa0191e..52d77cbae6 100644
--- a/packages/worker/src/api/routes/global/tests/users.spec.ts
+++ b/packages/worker/src/api/routes/global/tests/users.spec.ts
@@ -48,7 +48,7 @@ describe("/api/global/users", () => {
         400
       )
 
-      expect(res.body.message).toBe("Unavailable")
+      expect(res.body.message).toBe(`Unavailable`)
       expect(sendMailMock).toHaveBeenCalledTimes(0)
       expect(code).toBeUndefined()
       expect(events.user.invited).toBeCalledTimes(0)
@@ -225,7 +225,9 @@ describe("/api/global/users", () => {
 
       const response = await config.api.users.saveUser(user, 400)
 
-      expect(response.body.message).toBe(`Unavailable`)
+      expect(response.body.message).toBe(
+        `Email already in use: '${user.email}'`
+      )
       expect(events.user.created).toBeCalledTimes(0)
     })
 
@@ -237,7 +239,9 @@ describe("/api/global/users", () => {
         delete user._id
         const response = await config.api.users.saveUser(user, 400)
 
-        expect(response.body.message).toBe(`Unavailable`)
+        expect(response.body.message).toBe(
+          `Email already in use: '${user.email}'`
+        )
         expect(events.user.created).toBeCalledTimes(0)
       })
     })
@@ -249,7 +253,9 @@ describe("/api/global/users", () => {
 
       const response = await config.api.users.saveUser(user, 400)
 
-      expect(response.body.message).toBe(`Unavailable`)
+      expect(response.body.message).toBe(
+        `Email already in use: '${user.email}'`
+      )
       expect(events.user.created).toBeCalledTimes(0)
     })
 
diff --git a/packages/worker/src/sdk/users/users.ts b/packages/worker/src/sdk/users/users.ts
index f05c6b98d2..2150654ae9 100644
--- a/packages/worker/src/sdk/users/users.ts
+++ b/packages/worker/src/sdk/users/users.ts
@@ -16,6 +16,7 @@ import {
   ViewName,
   env as coreEnv,
   context,
+  EmailUnavailableError,
 } from "@budibase/backend-core"
 import {
   AccountMetadata,
@@ -158,7 +159,7 @@ const validateUniqueUser = async (email: string, tenantId: string) => {
   if (env.MULTI_TENANCY) {
     const tenantUser = await getPlatformUser(email)
     if (tenantUser != null && tenantUser.tenantId !== tenantId) {
-      throw `Unavailable`
+      throw new EmailUnavailableError(email)
     }
   }
 
@@ -166,7 +167,7 @@ const validateUniqueUser = async (email: string, tenantId: string) => {
   if (!env.SELF_HOSTED && !env.DISABLE_ACCOUNT_PORTAL) {
     const account = await accounts.getAccount(email)
     if (account && account.verified && account.tenantId !== tenantId) {
-      throw `Unavailable`
+      throw new EmailUnavailableError(email)
     }
   }
 }
@@ -235,7 +236,7 @@ export const save = async (
     // no id was specified - load from email instead
     dbUser = await usersCore.getGlobalUserByEmail(email)
     if (dbUser && dbUser._id !== _id) {
-      throw `Unavailable`
+      throw new EmailUnavailableError(email)
     }
   }