3526080 - Errors while using Manage Allocations - New Version

When searching for Manage Allocations App there are now two options - Manage Allocations and Manage Allocations - New Version. 

What is the difference between the two Apps? 

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

The following errors may also be encountered in the App - Manage Allocations - New Version when creating a new allocation cycle or segment - 

STRING_OFFSET_TOO_LARGE
CX_RAP_INVALID_QUERY
/IWBEP/CX_MGW_TECH_EXCEPTION

SAP S/4HANA Cloud Public Edition

Allocation, Run allocations, Manage Allocation, new allocations app, allocation error, Runtime Errors, ST22, SM21, create allocation cycle, allocation cycles, Runtime Error, new segment , KBA , CA-GTF-FXU-FI-AP , Fiori FXU Accounts Payable FI-FIO-AP , CO-FIO-CCA-TRA-2CL , Transactions (Public Cloud) , FIN-UA-2CL , Universal Allocations (Public Cloud) , Problem