Solution : https://service.sap.com/sap/support/notes/327225 (SAP Service marketplace login required)
Key words :
additional key words timeout, fi enjoy transaction, transaction hangs, insert line, prerequisites note 306855, support package 11, support package 17, support package 6, implemented, implementing
Related Notes :
373529 | FB50 / FB60 : Lines missing in PCA document |
339666 | FB60: Document with initial vendor / G/L account |