Solution : https://service.sap.com/sap/support/notes/913330 (SAP Service marketplace login required)
Key words :
sap web application server 6, symptom trfc luws, trfc/qrfc luws, attached correction instructions, correction instructions, luws disappear, terms sm58, call dialog, sww_wi_create_via_event reason, 'call dialog'
Related Notes :
| 925855 | "Stopped CPIC" when you use tRFC or qRFC and local update |
| 904133 | IDoc from tRFC is lost in Release 6.20 (SAPKB62056) |
| 869628 | Constant WAITUPDA in SMQ1 and performance optimization |