Parsing X12 EDI file with ruby

HI i am using tthis gem

but i am getting error like “Segmnet ST does not occur”
with the below input file
ISA00 00 ZZ111111111 01007911209 1501292215U004010001224060P>~
GSPR1111111110079112092015012922153152X004010~
ST8553152~
BAK00AC80122220150129~
PO11140UP893647VPEXPI9301CTBLKBP999999999999 ~
ACK
IA*****010
20150205~
CTT1~
SE
103152~
GE
13152~
IEA
1*000122406~

Hey @sunilkumarnagoore,

I would suggest to check this issue:

It might help you.