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# S80 Troubleshoot Inv Batch Seq Error

# S80 Troubleshoot Inv Batch Seq Error

**Scenario**: S80 terminal shows "INV BATCH SEQ" error.
**Resolution**: Clear batch then change batch number.

**Clear Batch**:
1. Press "Menu"
2. Press "5" or scroll down to "5.System Settings" and press "Enter"
3. Press "5" or scroll down to "5.Database" and press "Enter"
4. Enter "990712" or designated Password and press "Enter"
5. Press "Enter'

**Change Batch Number**:
1. Press "Menu"
2. Press 5.System Settings
3. Press 2.Batch Number 
4. Enter "990712" or designated Password and press "Enter"
5. Enter desired Batch number then press "Enter'

**Note**: It's very important to clear batch before changing batch number. Otherwise, all previous batch will be charged twice.