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- Where can I find the digital publication I purchased?
- How can I activate my digital publication?
- Why do I have to activate the digital publications?
- I receive an error message when I try to activate my licence. What should I do?
- How can I download the offline version of my textbooks in mozaBook?
- What extra content can I find in the digital publications?
- What to do if I have already activated a licence code but I would rather use it in another user account.
- What licence code do I have? How do I know what digital content can I access with my licence code?
- Can educational content found on mozaWeb or in mozaBook be shared externally?
- How can I allow cookies in my browser?
- Why do I get a message saying 3D scenes cannot be used on interactive boards?
- What should I do if I receive the 'An error occurred while processing the page.' message?
- How can I renew my licences?
- Can I modify and upgrade the type of my licence?
What should I do if I receive the 'An error occurred while processing the page.' message?
In older iOS versions, you might receive an error message when displaying the page numbers in textbooks and exercise books. You will see first the following window: 
Some of the pages will still be displayed correctly, but soon you will receive an error message every time you open another page.
This error is present in operating systems earlier than iOS 17 and only in the Safari browser. To avoid this error, update your operating system or use mozaWeb in another browser (Chrome, Firefox, Edge, Opera...).
Official information about fixing the error in Safari 17 (failures due to exceeding the maximum canvas memory limit):
https://developer.apple.com/documentation/safari-release-notes/safari-17-release-notes
You can read more about this error on the following official forum:
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