Fault: When running lock, system return the following message and locking halted.
Resolution:
Look at the last event that had hit the problem - for example SO 021224.
Switch of Sales Order Form.
Look for this transaction.
Check that not numerical field contains Nulls.
Toogle detail line to subform form view mode.
On te above example, the discount % was null. Change it to 0%.
Update the record.
Run the validate and lock routine again.
Updated On: 15.02.19