Hi,

M. Pger writes:
> When trying to asynchronously export, I get the following error: 
> "Process `org-export-process'exited abnormally".
>
> The *Org Export Process* buffer gives the following: Invalid read 
> syntax: "#".

A similar issue was fixed in master. Try the latest version of org-mode.

Alternatively, disabling native-comp should also fix this.

Regards,

-- 
Sébastien Miquel