Workflow integration with Web Dynpro

Hi Experts,
I have a strange problem. below i will explain.
I created a custom workflow for a custom process. the workflow contains 3 activity steps and agent is assigned as Initiator.
I created a BAPI and called the workflow using SAP_WAPI_START_WORKFLOW and the bapi works fine in R/3.
When the same BAPI is called from Web Dynpro. the workflow is getting executed but the activity step is not getting executed. when i checked in SAP R/3 Workflow Graph. the activity step is showing message as No Agents Ready. but i assigned the agent as Initiator.
Could you please let me know what might be the problem. whether the problem with developement or with configuration in SAP-EP.
Waiting for your quick reply
Thanks in Advance.
Regards
Santosh Kumaar.M

Make the workflow and Task as GENERAL TASK for making t he workflow as Genral task cl
Execute SWDD.
Click on BAsic Data Cap.
Click GOTO ---> AGENT ASSIGNMENT FOR TASK ---> Select General TAsk.
For making Task as general task
Execute PFTC
Select Standard task option & enter the task ID, Open in change mode.
Click ADDITIONAL DATA ---> Agent Assignment ---> Maintain ----. select general task.

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