fix: Improve error message (#17747)
fix: Improve error message (#17747)

Change ```Allocated amount can not greater than unadjusted amount``` to ```Allocated amount cannot be greater than unadjusted amount```

```Allocated amount can not be negative``` to ```Allocated amount cannot be negative```
gsnbng/erpnext,gsnbng/erpnext,gsnbng/erpnext,gsnbng/erpnext