First-level check: Amount '&1' is not valid (item number '&2')

Message type: E = Error

Message class: GLE_ECS_MSG_S - Predefined Messages in Error Correction System

Message number: 021

Message text: First-level check: Amount '&1' is not valid (item number '&2')



What causes this issue?

The amount specified contains letters and numbers, and cannot be
processed.
The system cannot balance or split the document.
Note:
You can post documents only if their debits and credits together sum to
zero.
You cannot post documents that have more than 990 line items.


System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.



How to fix this error?



Procedure for System Administrators


Error message extract from SAP system. Copyright SAP SE.