Источник:
http://workflowax.wordpress.com/2011...t-initialised/
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Your workflow quick fix for the day:
Ok, so you’ve developed your workflow template, enabled your form for workflow, setup a configuration and are ready to give your workflow its first test run. You open your form and the first thing you get is the debugger with an error message: “Error executing code: FormDataSourceObject not initialized” Called from the SysWorkflowFormControls\initControls class.

Error executing code: FormDataSourceObject not initialized
Don’t worry, this is a very quick fix, and you, like I did, may kick yourself for forgetting. Open up your workflow enabled form in the AOT, navigate to Designs, Design, right click, select properties and select a valid data source. e.g.

No data source selected

Data source selected
Источник:
http://workflowax.wordpress.com/2011...t-initialised/