Troubleshooting

Sending us the run log

A log of the Circular Software processes which can be useful for troubleshooting.

Why did CircularFLO not generate an Amazon file?

Not all interactive features can be converted to Amazon's file format.

Sending files with wetransfer

Sending files to Circular Software for troubleshooting.

Installing Java to run EPUB checker

We recommend using the free Pagina EPUB-Checker tool which uses Java.

Understanding EPUB validation

What to do if your EPUB does not pass validation

Unzipping and Zipping EPUBs

Sometimes it may be useful to open your EPUB3 folder to add extra functionality or to add or amend the code or content.

Decimal Separator in Language Settings

Changing non-English macOS default settings for fractions can fix problems with read aloud and embedded web code.

Fix misalignment of audio with read aloud highlighting

Choosing 'Constant Bit Rate' as an export setting can fix alignment issues.

Understanding Amazon validation

Granting and resetting permissions

Allowing our software to talk to and control other applications on your Mac.

Fixing “command not found” when using Kindle Previewer in Terminal

Sometimes the kindlepreviewer Terminal command can need setting up before it runs properly…

Resetting CircularFLO

When troubleshooting it may be useful to reset CircularFLO to a freshly installed version.