Error in creating new Conten Item with new workflow

I’m getting the following error while creating a new content with my newly created Workflow…

<Error id=“0”>An error occurred while pre-processing the request submitted by the host (-not available-).</Error>
<Error id=“1”>An exception occurred while processing the “Java/global/percussion/workflow/sys_wfAuthenticateUser” extension: User is not authorized to create this type of content…</Error>

Any help to solve this?