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btesec,
Did you make the changes stated above? I believe the "Parse errors" you're seeing are due to those changes either not being made, or not completed correctly.
The notices, while "unnerving" are not critical. The module is in the process of being updated. Once 2.3 stablizes a little and we get some time to make the numerous changes required to make it work "correctly" under the 2.3 architecture we'll try and get another release completed.
Xoops continues to change and it's a struggle to keep the module updated while at the same time provide backward compatibility for those that don't upgrade to 2.3.x
