( ! ) Fatal error: Only variables can be passed by reference in /home/demo/public_html/drupal7/events/sites/all/modules/commerce/modules/cart/commerce_cart.module on line 1342
Call Stack
#TimeMemoryFunctionLocation
10.0002393616{main}( ).../index.php:0
20.0030777832drupal_bootstrap( ).../index.php:20
30.03645936160_drupal_bootstrap_full( ).../bootstrap.inc:2538
40.05378989128module_load_all( ).../common.inc:5278
50.063510883624drupal_load( ).../module.inc:24