"The model did not converge and no valid results are obtained, check the data or adjust calculation options."
Hello Kalyan,
See if there are any data entry issues with the model by validating it, user notifications will give you idea about problems in model. Check for flooding in the model at storage nodes, make sure that all required data is entered.
Please see below wiki, to check if model set up is correct.
Troubleshooting unstable SewerGEMS and CivilStorm results using the implicit solver
Regards,
Sushma Choure
Bentley Technical Suppport