Solution : https://service.sap.com/sap/support/notes/904133 (SAP Service marketplace login required)
Key words :
full correction requires support package 57, sap web application server 6, set update task local, sap business workflow, port type trfc, attached correction instructions, local update, support package 56, 20 support package 56, update module
Related Notes :
| 925855 | "Stopped CPIC" when you use tRFC or qRFC and local update |
| 913330 | tRFC LUWs are not created |
| 869628 | Constant WAITUPDA in SMQ1 and performance optimization |