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Common Issues & Solutions

Quick fixes for the problems people actually hit

4 min readUpdated Sep 3, 2026

Quick fixes for problems you might run into.

Signing in

The password is not accepted

  • Check for a typo in the email address, and check Caps Lock
  • Use Forgot password to reset it — the link is on the sign-in page
  • If you originally signed up with Google or Apple, use that button rather
  • than a password. An account made that way has no password until you set one

    After several failed attempts, sign-in is locked for a while. That is

    deliberate, it is temporary, and waiting is the fix — see

    Login problems for the exact

    periods.

    You were signed out

    Sessions last up to 30 days, and are refreshed quietly while you keep using

    ClapDiet. Being signed out earlier than that usually means one of:

  • You signed out on this device, or on another one that ended all sessions
  • You changed your password, which ends every other session on purpose
  • Cookies are blocked or being cleared by your browser
  • Signing in again is the whole fix. There is no "stay signed in" setting to

    enable — the 30 days apply to everyone.

    The page will not load

    A blank screen on the web

  • Refresh the page (Ctrl/Cmd + R)
  • Try a private or incognito window — this tells you in one step whether an
  • extension or a stale cache is responsible

  • If the private window works, clear your cache: see
  • Clearing cache and data

  • Try a different browser
  • Everything is slow

    See App performance. The most

    common cause is a slow connection rather than the app.

    Logging food

    A food is not in the database

  • Try a shorter search — two words beat five
  • Search the brand name on its own
  • Search the generic name ("greek yogurt" rather than the product name)
  • Scan the barcode, in the app, if it is a packaged food
  • Create it as your own food, which is then yours to reuse
  • More on searching

    The nutrition figures look wrong

    First check the portion. Most surprises are a serving-size mismatch rather than

    bad data: the database stores per 100 g, and the serving you picked may not be

    the one you ate.

    If the figures are genuinely wrong for that food, there is no way to flag it

    from inside the app yet. What you can do:

  • Pick a different entry for the same food — the database usually holds
  • several, from different sources

  • Create your own food with the correct figures, and use that from now on
  • Email support@clapdiet.com with the food name so it can be looked at
  • Lab uploads

    The upload failed

    Common causes:

  • The file is larger than the limit the upload page states
  • The format is not accepted — use a PDF or a photo
  • The connection dropped part way
  • Try a smaller or clearer file, on a stable connection.

    Lab upload guide

    Nothing was extracted from the document

    The reader could not make out the values. Usually one of:

  • The scan is low resolution, skewed, or partly cut off
  • Only some pages were uploaded
  • It is a photograph of a screen rather than of the report
  • Re-upload a clearer copy, or enter the results by hand — manual entry gets you

    to exactly the same place.

    Data that is not appearing

  • Check you are signed in to the same account. This is the most common cause
  • by a distance, and a second account made with a Google sign-in looks

    identical from the outside

  • Pull down to refresh
  • Check the date you are looking at
  • There is nothing to wait for: your data is on your account rather than being

    copied between devices, so if it is not there after a refresh, it is not a

    timing problem. More on this

    Notifications

    If a reminder is not arriving, check in this order: the switch for that

    specific thing, the notification permission in your phone's settings, and your

    quiet hours. Note that three switches on that screen do not send anything yet —

    Notification settings names them.

    Payments

    A declined payment is almost always the card rather than ClapDiet: expired,

    insufficient funds, blocked by the bank for an unfamiliar merchant, or a

    billing address that does not match. Update the card or try another one.

    Billing help
    Not here? Contact support
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