When the Tomba browser extension can't search or save, it shows a short message in the popup or in its panel. Find your message below. Each one is quoted as the extension shows it.

Many fixes below start in the extension's settings. Click the Tomba icon next to the address bar, click the person icon at the top right of the popup, then click Settings. The settings page has tabs such as Whitelist, Leads, Connection and Plans & credits.

The popup says "Domain Blocked" and "The domain acme.com is in your whitelist", with the site's name. You added this site to the extension's whitelist, a list of websites the extension skips. Tomba doesn't search a site while it's on that list.

To search the site again:

Step 1. Click Manage Whitelist, or open the extension's settings.

Step 2. Open the Whitelist tab.

Step 3. Delete the site's line from Whitelist Domains, then click Save Whitelist. The extension says "Whitelist Saved".

The popup says "Only Domain name" and "Tomba is no available on IP Address", followed by the address. The page you're on has a web address made of numbers, such as 192.168.1.10, instead of a website name. Tomba looks up companies by their website name, so it can't search this page.

Open the company's website by its name, such as tomba.io. Or type the website in the Search a company or a domain box at the top of the popup.

On the site of a free email service, such as Gmail, the popup says "The domain gmail.com is a webmail service" and "gmail.com is webmail , is used to create personal email addresses not professional email."

On a throwaway email site, it says "Tomba designed for professional email only." and "The domain … is a disposable website".

Tomba finds work email addresses at companies, so it has nothing to show on these sites. Open the company's own website instead. See Why doesn't Tomba show Gmail, Yahoo or disposable addresses?

The popup says "Invalid Credentials." and "Please delete the cache from the browser and try to login again". Tomba didn't accept the extension's connection. This happens when the API key it used was deleted or reset, or its sign-in ended. The extension then signs out.

Click the Tomba icon, then Sign in with Tomba, and approve the sign-in on app.tomba.io. If you connect with an API key instead, copy the key and secret again from API Keys and paste them on the Connection tab of the extension's settings.

The popup says "Your API key has expired" and "Create a new key on app.tomba.io, or sign in with Tomba from the extension's settings." Every API key has an expiry date, and the key the extension uses has reached it.

You have two choices:

See How to find my API key?

You have no credits left of the kind this needs: search credits to find emails, or verification credits to verify one. Depending on where you are, the extension says:

Click Upgrade Plan or Upgrade Now to see your options, or open the Upgrade page. You can also wait for your credits to reset. See I've used all my credits: what now?

The extension asked Tomba for searches faster than your plan allows. This is a speed limit, not a lack of credits. The popup says "Too many requests" and "Tomba is receiving too many requests from your account. Wait a minute and open Tomba again." Elsewhere, it says how long to wait: "Tomba is receiving too many requests from your account. Try again in 30 seconds."

Wait for that time, then try again. Everyone in a workspace shares these limits. See How many searches can I run per second, minute and day?

The popup says "Data removed" and "This person asked Tomba to remove their data, so Tomba can't show it." The person asked Tomba to stop using their data, so Tomba hides it for good. If you have this person's details in your own lists, remove them. See Why does a result say claimed_email or Data removed?

When you open one of the pages where Tomba found an address, from Sources, the extension looks for the address on that page and highlights it. If it isn't there any more, it says "The email address couldn't be found on the page. This probably means this page has been updated since our latest visit."

The page changed after Tomba last saw it, so that source is out of date. Look at the address's other sources, or verify the address before you write to it. If the address is only in the page's code, the extension says it "isn't visible but is publicly accessible in the code of the page."

You selected several emails in the popup and clicked Save … to leads, but the extension doesn't know which lead list to use. It says "No default list set" and "Please set a default leads list in settings before saving."

Step 1. Open the extension's settings and click the Leads tab.

Step 2. Under Default Leads List, choose a list, then click Save Default List. If you have no list yet, click New list: a new list becomes your default.

Step 3. Go back to the popup and save the emails again.

In the LinkedIn panel, a company search can say "Tomba refused the connection. Sign in again in the extension's options." The extension's sign-in or API key is no longer accepted. Open the Connection tab of the extension's settings and click Sign in with Tomba.

After a run on LinkedIn, Sales Navigator or Apollo, the panel shows what it collected before anything goes to Tomba. Export … to Tomba stays greyed out when the run is too small or too big:

Download CSV still saves the records to your computer. See How to Export Sales Navigator Leads Using Tomba Chrome Extension.

The Similar and Technologies tabs need a paid plan. On the Free plan, they say "Premium Feature: Similar companies search is available for paid plans only" or "Premium Feature: Technology detection is available for paid plans only". Without an account, they ask you to register for a free account first. Click Upgrade Plan to see the plans.

The Dashboard tab of the extension's settings shows your usage history only when the extension is connected with an API key. With Sign in with Tomba, it says "The usage history needs a connection with an API key; it isn't available with Sign in with Tomba."

You can see your usage in Tomba instead: see Read your usage pages. Or connect the extension with an API key on the Connection tab.