Did you check your JAVA version?

It sounds like you need to sync up the Wonder build with your local compiler to me

I run Big Slur but I also use an old JAVA because I’m late to update and test...

> On Sep 2, 2021, at 9:53 AM, Theodore Petrosky <webobjects-dev@wocommunity.org> wrote:
>
> I have a new computer with Big Sur 11.5.2. I am in the process of setting this machine up to do WO.
>
> I have installed WO, Java, Wonder 7.3.
>
> Almost there, there are some compile errors with wonder. For instance  ERPDFGeneration has multiple errors:
>
> The package javax.xml.parsers is accessible from more than one module
> The package org.xml.sax is accessible from more than one module: <unnamed>, java.xml
>
> What do I need to do to fix this?
>
> Ted
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