> For the complete documentation index, see [llms.txt](https://docs.reo.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.reo.dev/faqs-troubleshooting/crm-contact-sync-troubleshooting-guide.md).

# CRM Contact Sync Troubleshooting Guide

This guide helps you identify why a **contact has not synced** between Reo.Dev and your CRM (HubSpot, Salesforce or Attio). Here are a few scenarios when contacts are not synced:

#### **Field Mapping Error**

If required fields aren't mapped correctly in your CRM, the contact won't sync.

* **HubSpot** — Go to Settings → Integrations → CRM → HubSpot and verify your field mappings. If something looks off, reach out to <support@reo.dev>.
* **Salesforce** — Go to Settings → Integrations → CRM → Salesforce and fix any field mapping errors directly.
* **Attio** — Go to Settings → Integrations → CRM → Salesforce and fix any field mapping errors directly.

Note: For contacts with only LinkedIn ID (no business email ID) please ensure field mapping is configured. Without accurate field mapping, the contacts will not be synced.

#### **Email domain doesn’t match company domain**

Reo.Dev will not sync a contact with an existing business email ID if the email domain differs from the company domain they're associated with. This usually occurs when a contact signs up, logs in, or submits a form using a personal or alternate email (e.g., gmail.com instead of their company domain).

#### **Contact associated with multiple companies (via email)**&#x20;

There might be a scenario where a contact with an email ID is associated with multiple companies. These contacts are excluded from syncing. This is intentional — to prevent incorrect account association in your CRM.&#x20;

In another case when a contact is linked to multiple active companies on LinkedIn - the contact will not be synced to your CRM. These contacts show up in CSV reports but aren’t visible on Reo.Dev’s UI.

#### **Contact is not associated to any Company**

If the contact is not associated to any company or organization, we will not sync that contact to your CRM.&#x20;

If you have any further queries, please reach out to your account manager or email us at <support@reo.dev>.&#x20;


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