A goods issue has to be posted for every material that is withdrawn during order processing. This can occur at the following times:
You decide whether a material can be backflushed in three different places. These are the master records of
If you set the Backflush indicator in the routing, the material is always backflushed regardless of what you entered in the material master record.
If you do not set the indicator in the routing, whether the material is backflushed or not depends on how you set the indicator in the material master record.
In the graphic you can see which indicators you have to set and where to control backflush.
Set indicator for backflushing