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Troubleshooting

Common issues and solutions for using Rembrandt.

Authentication Issues

Can't sign in

Problem: Unable to sign in to your account.

Solutions:

  • Check that you're using the correct email address

  • If you signed up with Google, use the Sign in with Google button instead of email/password

  • Try resetting your password using the "Forgot password" link

  • Ensure you're going to the correct Rembrandt login page

  • Clear your browser cookies and try again

Email verification not arriving

Problem: Not receiving the verification email or the link has expired.

Solutions:

  • Check your spam/junk folder

  • Request a new verification email from the login page

  • Verify you entered the correct email address during signup

  • If using a corporate email, check with your IT team that emails from Rembrandt are not blocked

  • Contact support if emails continue to not arrive

Stuck on setup

Problem: Seeing setup screens or redirected back to onboarding after signing in.

Solutions:

  • Complete email verification first — this is required before anything else

  • Fill in your personal details (first name, last name)

  • Complete the subscription step if prompted

  • Select or create an organization

  • See the Account Setup Guide for the full setup flow

Organization Issues

Can't select an organization

Problem: Unable to select or create an organization during setup.

Solutions:

  • Ensure your email is verified

  • If you were invited, check your email for the invitation link and accept it first

  • If creating a new organization, ensure all required fields are filled in

  • Contact support if you don't see your expected organization

Missing features or settings

Problem: Can't find settings or features that should be available.

Solutions:

  • Organization settings (Members, Timezone, API Tokens, Integrations, Qualification) are only visible to Owners and Admins. If you have an Editor or Viewer role, ask your admin.

  • Some features may require specific configuration to appear (e.g. the Qualification inbox requires the qualification workflow to be enabled in settings)

  • If you should have access but don't, ask your organization Owner or Admin to check your role

Can't invite members

Problem: Don't see the option to invite team members.

Solutions:

  • Only Owners and Admins can invite members

  • Go to Settings > Organization > Members and click Invite Member

  • If you don't see this option, your role may be Editor or Viewer — ask an Owner or Admin to invite on your behalf

MCP Integration Issues

MCP not connecting

Problem: Unable to connect Rembrandt to Claude Desktop or ChatGPT via MCP.

Solutions:

  • Make sure you have the correct MCP server URL: https://api.rembrandtagents.com/mcp

  • Verify you completed the authorization flow and have a valid token

  • For Claude Desktop: restart Claude Desktop after making configuration changes

  • For ChatGPT: check that the Custom Connector was saved successfully

  • Re-authorize the connection if your token has expired

  • See the MCP Integration Guide for step-by-step instructions

MCP returning errors

Problem: MCP is connected but queries return errors.

Solutions:

  • Check that your Rembrandt account has an active organization selected

  • Ensure your account setup is complete (email verified, profile filled in)

  • Try re-authorizing the MCP connection

  • Contact support if errors persist

API Issues

API key not working

Problem: REST API calls return authentication errors.

Solutions:

  • Verify your API key starts with rk_ and is copied correctly (no extra spaces)

  • Check that you're using the Authorization: Bearer rk_your_key header

  • Ensure the API key hasn't been revoked — check Settings > Organization > API Tokens

  • API keys are scoped to an organization — make sure you're using a key for the correct organization

  • See the API Integration Guide for details

API rate limiting

Problem: Receiving 429 "Too Many Requests" responses.

Solutions:

  • Check the X-RateLimit-Remaining-Key response header to see your remaining quota

  • Wait until the X-RateLimit-Reset-Key timestamp before retrying

  • Spread your requests over time rather than sending them in bursts

  • Contact support if you need higher rate limits

CRM Integration Issues

HubSpot not syncing

Problem: Data is not syncing between Rembrandt and HubSpot.

Solutions:

  • Check the connection status in Settings > Organization > Integrations

  • Try disconnecting and reconnecting HubSpot

  • Ensure the HubSpot user who authorized the connection has sufficient permissions

  • Use the Sync Now button to trigger a manual sync

  • See the HubSpot Integration Guide for details

General Issues

Pages not loading

Problem: Pages show errors or don't load.

Solutions:

  • Refresh the page

  • Clear your browser cache and cookies

  • Try a different browser (Rembrandt works best in Chrome, Firefox, Safari, and Edge)

  • Check your internet connection

  • Contact support if the issue persists

Data not appearing

Problem: Dashboard or pages show no data.

Solutions:

  • Verify your account setup is complete

  • Check that you have the correct organization selected (use the sidebar switcher)

  • If you're new, data may not have been generated yet — ensure you have agents configured and running

  • Check your role — Viewers can see data but Editors and above are needed to create it

  • Contact support to verify your account status

Getting Help

If you've tried the solutions above and still need help:

  1. Check the documentation

  2. Use in-app help

    • Click the Help button in the sidebar to reach our support team directly

  3. Contact support

    • Email: support@rembrandtagents.com

    • Include details about what you were trying to do, any error messages you saw, and steps you've already tried

    • Screenshots are very helpful