Troubleshooting Failed Solution Component Update in System Coupling

How to resolve following error? Error: update failed for the solution component in system coupling. The coupled update for system fluid flow (fluent) threw an exception. Update solution failed.

This error may arise due to various factors. To resolve this error, do the following:

Cross check set up for model, materials used.

Such errors also come when solution is not converged.

You may need to decrease the time step size and/or increase no. of iterations per time step.

It is recommended to first check the Ansys Fluent transcript to get some clues on what could be causing the issue.