"An error occurred converting Final Cut Pro XML"

Many thanks for the help Graeme, it worked!

I have sent you an email

Hi team at X2pro,

Hope all goes well! I know this has been discussed in other forums but I haven't been able to find a workaround. When doing a large AAF conversion I keep getting an error message such as this one:

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An error occurred converting Final Cut Pro XML to AAF
Writing AAF file
Adding assets to AAF file
Adding essence for asset [8-15_0007] to AAF file
Adding essence data to AAF file for portion 0 of asset [8-15_0007]
Reading audio data from audio extractor : 174762 samples
Failed to read 174762 samples
Error Extracting audio data (read 0 bytes of 524286 required) (The operation could not be completed)

Suggestion: Does this movie contain an unsupported audio format ?

No AAF file has been generated.
X2Pro Audio Convert 3.0.5

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In terms of specs:

The version of FCP X that you are using : 10.1.3
The version of OS X that you are using : 10.10.5
Version of X2Pro: 3.0.5
Whether you have the "Trim embedded audio" option selected : YES
What duration you have the "Trim handles" set to in the preferences : 6

PS - I sent this in an email as well. Thank you very much for your time! I've attached a screengrab below.
Best,
Sam