Solution : https://service.sap.com/sap/support/notes/985587 (SAP Service marketplace login required)
Key words :
launch transaction handler class fails, generated handler class, terms launch transaction, prerequisites program error, corrrection instructions attached, higher support package, prepare_data_flow method reason, transaction launcher, prepare_data_flow method, generated properly
Related Notes :
1013376 | FAQ Note: CRM IC Web Client Transaction Launcher |