pyrocms/pyrocms — pull request #3086 by zantez (2013-11-07 21:42:03+00:00)
Title: issue #3084 solved, bug cannot use a stdObject as an array

The file Fields.php on system/cms/modules/streams_core/libraries/Fields.php has some problems with validation, so you just need to add is_array($POST) before doing isset($POST[$stream_field->field_slug]) on line 381 for example.