
Suggested customer to check length of Item group desc in SAP. iVend only allowed desc upto 100 character.
We can check problematical item group by execute below query in sap.
SELECT len(itmsgrpnam) FROM OITB where len(itmsgrpnam)>100
Additionally , Item Group ID length is permitted with 20 Chars in iVend so when it is created in SAPB1, it shouldn't be more than 20 chars