No roll storage space of length 9728 available for OCCURS area Web dynpro error
If you recieve the no roll storage error it will probably be that your web dynpro service has not been activated within sap transaction
SICF. If it is already active, try de-activating it and then re-activating it. Check out maintaining SAP web services if you need more information on how to do this!
ABAP error exception concept within SAP
SAP Errors and issues users may find while using and configuring the SAP system