Unable to invoice

Hi SD Experts,

Unable to invoice

document flow VA31- VL01N - Automatic batch -Pgi- VF01

Now unable to invoice

following error showing:

Item number of the SD document : 000000

Schedule line number                   : 0002

Counter in control tables               : 00

System Identification                    : VF

System massage number             : 002

Output type                                 : E

Kindly help me out

Thanks

Jyothi.M