EDI document

[cognosnew]

I am receiving following error in the EDI 214 document. What is this error and how can it be fixed.

At message 214 Ctrl=1:
In segment H.ST:
• element too short '1' - actually:1, standard:4
In segment B.SE:
• element too short '1' - actually:1, standard:4

Thanks
Sammy