Im getting this error when first trying to run after install…any ideas?

[Mon Jul 30 09:26:16 2007] [error] [client 1.1.2.81] PHP Fatal error:  Unsupported operand types in C:\\Program Files\\Apache Software Foundation\\Apache2.2\\htdocs\\weswiki\\extensions\\SemanticMediaWiki\\includes\\SMW_GlobalFunctions.php on line 235

Im running
php523
Apache224
Mysql5.0.45
Mediawiki 1.10.1
Semantic_forms 0.3.9
Semediawiki 0.7
Thanks for any ideas