How To Fix UC782 - Sender field &1 is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: UC - FI/CO Data transfer: errors during transfer

• Message number: 782

• Message text: Sender field &1 is invalid

What causes this issue?

In a Unicode system, for technical reasons, only sender structures are
allowed during external data transfer that exclusively contain the
fields of the type ?C? (CHAR) or ?N? (NUMC).

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?

Adjust the sender structure accordingly.
In the case of value fields, for example, you must use type ?C? with 16
digits instead of type ?P? with 8 digits.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.