Thanks for the reply.
PHP Warning: math: illegal characters
This one error is most possibly related to third party theme used in your store. I am unable to reproduce it.
The following error entry:
PHP Deprecated: Required parameter
I am confirming this. In order to fix it in your installation, please apply the attached .diff file.
0d9ce078cbc0c2444437dd4bf2803251693af144.diff (997 Bytes)
I have notified the developers regarding this issue.