diff --git a/backend/src/api/public/middlewares/errorHandler.ts b/backend/src/api/public/middlewares/errorHandler.ts
index 4da3552876..626807bad0 100644
--- a/backend/src/api/public/middlewares/errorHandler.ts
+++ b/backend/src/api/public/middlewares/errorHandler.ts
@@ -4,7 +4,13 @@ import {
   UnauthorizedError as Auth0UnauthorizedError,
 } from 'express-oauth2-jwt-bearer'
 
-import { HttpError, InsufficientScopeError, InternalError, UnauthorizedError } from '@crowd/common'
+import {
+  ConflictError,
+  HttpError,
+  InsufficientScopeError,
+  InternalError,
+  UnauthorizedError,
+} from '@crowd/common'
 import { SlackChannel, SlackPersona, sendSlackNotification } from '@crowd/slack'
 
 /**
@@ -17,6 +23,29 @@ export const errorHandler: ErrorRequestHandler = (
   res: Response,
   _next: NextFunction,
 ) => {
+  if (error instanceof ConflictError) {
+    const memberIds = (error as ConflictError & { memberIds?: string[] }).memberIds
+    req.log.warn({ memberIds }, 'Public API conflict')
+    sendSlackNotification(
+      SlackChannel.CDP_LFX_SELF_SERVE_ALERTS,
+      SlackPersona.WARNING_PROPAGATOR,
+      `Public API Conflict 409: ${req.method} ${req.url}`,
+      [
+        {
+          title: 'Request',
+          text: `*Method:* \`${req.method}\`\n*URL:* \`${req.url}\``,
+        },
+        {
+          title: 'Conflict',
+          text: `*Message:* ${error.message}`,
+        },
+        ...(memberIds ? [{ title: 'Member IDs', text: memberIds.join(', ') }] : []),
+      ],
+    )
+    res.status(error.status).json(error.toJSON())
+    return
+  }
+
   if (error instanceof HttpError) {
     res.status(error.status).json(error.toJSON())
     return
diff --git a/backend/src/api/public/v1/members/resolveMember.ts b/backend/src/api/public/v1/members/resolveMember.ts
index 43d6e948a2..a41870925f 100644
--- a/backend/src/api/public/v1/members/resolveMember.ts
+++ b/backend/src/api/public/v1/members/resolveMember.ts
@@ -32,7 +32,13 @@ export async function resolveMemberByIdentities(req: Request, res: Response): Pr
   if (memberIds.length === 0) {
     throw new NotFoundError('Member not found')
   } else if (memberIds.length > 1) {
-    throw new ConflictError('Conflicting identities')
+    const error = new ConflictError('Conflicting identities')
+    Object.defineProperty(error, 'memberIds', {
+      value: memberIds,
+      enumerable: false,
+      configurable: true,
+    })
+    throw error
   }
 
   const memberId = memberIds[0]
diff --git a/services/apps/members_enrichment_worker/src/activities/member.ts b/services/apps/members_enrichment_worker/src/activities/member.ts
index 36225a1176..fe5564578a 100644
--- a/services/apps/members_enrichment_worker/src/activities/member.ts
+++ b/services/apps/members_enrichment_worker/src/activities/member.ts
@@ -77,14 +77,8 @@ export async function getIdentitiesExistInOtherMembers(
   excludeMemberId: string,
   identities: IMemberIdentity[],
 ): Promise<IMemberIdentity[]> {
-  let rows: IMemberIdentity[] = []
-
-  try {
-    const db = svc.postgres.reader
-    rows = await getIdentitiesExistInOthers(db, excludeMemberId, identities)
-  } catch (err) {
-    throw err
-  }
+  const db = svc.postgres.reader
+  const rows = await getIdentitiesExistInOthers(db, excludeMemberId, identities)
 
   return rows
 }
@@ -94,25 +88,21 @@ export async function updateMemberWithEnrichmentData(
   identities: IMemberIdentity[],
   attributes?: IAttributes,
 ): Promise<void> {
-  try {
-    await svc.postgres.writer.connection().tx(async (tx) => {
-      for (const identity of identities) {
-        await createMemberIdentity(new PgPromiseQueryExecutor(tx), {
-          memberId,
-          platform: identity.platform,
-          value: identity.value,
-          type: identity.type,
-          verified: identity.verified || false,
-          source: 'enrichment',
-        })
-      }
-      if (attributes) {
-        await updateMemberAttributes(tx, memberId, attributes)
-      }
-    })
-  } catch (err) {
-    throw err
-  }
+  await svc.postgres.writer.connection().tx(async (tx) => {
+    for (const identity of identities) {
+      await createMemberIdentity(new PgPromiseQueryExecutor(tx), {
+        memberId,
+        platform: identity.platform,
+        value: identity.value,
+        type: identity.type,
+        verified: identity.verified || false,
+        source: 'enrichment',
+      })
+    }
+    if (attributes) {
+      await updateMemberAttributes(tx, memberId, attributes)
+    }
+  })
 }
 
 export async function mergeMembers(
diff --git a/services/libs/slack/src/channels.ts b/services/libs/slack/src/channels.ts
index 8aa8e26357..0bcd30c1f7 100644
--- a/services/libs/slack/src/channels.ts
+++ b/services/libs/slack/src/channels.ts
@@ -12,6 +12,7 @@ const CHANNEL_WEBHOOK_URLS: Record<SlackChannel, string | undefined> = {
   [SlackChannel.CDP_PROJECTS_ALERTS]: process.env.CDP_PROJECTS_ALERTS_SLACK_WEBHOOK_URL,
   [SlackChannel.INSIGHTS_ALERTS]: process.env.INSIGHTS_ALERTS_SLACK_WEBHOOK_URL,
   [SlackChannel.INSIGHTS_CRITICAL_ALERTS]: process.env.INSIGHTS_CRITICAL_ALERTS_SLACK_WEBHOOK_URL,
+  [SlackChannel.CDP_LFX_SELF_SERVE_ALERTS]: process.env.CDP_LFX_SELF_SERVE_ALERTS_SLACK_WEBHOOK_URL,
 }
 
 // Check for missing webhook URLs on initialization
diff --git a/services/libs/slack/src/types.ts b/services/libs/slack/src/types.ts
index 6fa29ac028..ff08dc14d5 100644
--- a/services/libs/slack/src/types.ts
+++ b/services/libs/slack/src/types.ts
@@ -6,6 +6,7 @@ export enum SlackChannel {
   CDP_PROJECTS_ALERTS = 'CDP_PROJECTS_ALERTS',
   INSIGHTS_ALERTS = 'INSIGHTS_ALERTS',
   INSIGHTS_CRITICAL_ALERTS = 'INSIGHTS_CRITICAL_ALERTS',
+  CDP_LFX_SELF_SERVE_ALERTS = 'CDP_LFX_SELF_SERVE_ALERTS',
 }
 
 export enum SlackPersona {