Solution : https://service.sap.com/sap/support/notes/1154429 (SAP Service marketplace login required)
Key words :
system issues error message /scdl/bo_action 067, warehouse task confirmation, unloading warehouse task, terms /scwm/tu, /scdl/bo_action 067, error occurred, program error, /scwm/rfui, /scwm/to_conf, transportation units
Related Notes :
1152924 | /SCWM/TU: Performance of goods receipt posting |
1109846 | Composite SAP note for performance in transaction /SCWM/TU |