Amount is too large; leads to amount field overflow.

What causes this issue?

The amount you have entered is too large for the amount field. You have
activated the Amount Field Length Extension functionality.

System Response

The system does not permit this entry.

How to fix this error?

Refer to transaction
<DS:TRAN.FLETS>FLETS</> and SAP note 2601956 for more details on the
Amount Field Length Extension functionality.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.