Resolved - Workflow error during Order approval in MSD Axapta

Error Details:-Today I faced following error .
Workflow instance:xxxxxxx was terminated for the following reason: No .NET Business Connector session could be found..

Due to this workflow work item not created after submission to workflow.

Solution:To resolve this issue I did the following.

1.Compile application.
2.Resetting of IIS.
3. Reset Dotnet framework version on IIS if its changed by someone.
4. Recreate business connector configuration from Ax client configuration.

This issue happen in Ax 2009 version and issue is now resolved .