Developer Support

Troubleshooting

Troubleshooting

My App Isn't Loading

If your app loads in the iframe but disappears after a few seconds and you see an error like “We’re sorry, this content cannot be displayed. Please try again later”, this means that your endpoint didn’t load th

Height Doesn't Change When Using the reportHeightChange() SDK Method

The reportHeightChange() function was deprecated. Please use the setHeight(height) method instead.

I get this error when using Wix.Utils.getInstanceId(): cannot read property ‘substring’ of null

Your component is redirecting to another endpoint without passing all the provided query parameters (required by our JS SDK).If you need to use URL redirect, here’s how to do it (note that we don’t recommend us

Why can't I see my app's paid plan features in the App Market?

The paid plan is only available once you have a valid paid package in the Wix billing system. This will happen after we approve your app.

My App Instance is missing a few characters and not decoding. What should I do?

You need to use base64url decoding instead of normal base64. If this doesn't work, let us know.

Why is an instanceId now linked to a new siteOwnerId?

When a user (let's say User A) transfers the site to another user (User B), the app keeps its instanceId – but is now linked to User B's siteOwnerId.

What Happens If My App's Declined?

As part of an app review, the team checks carefully for any issues that prevent an app from going live on the App Market.If your app gets declined, you'll receive an email detailing the reason/s why. Often you'