How To Fix UC780 - Error occurred while reading DDIC table &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 780

• Message text: Error occurred while reading DDIC table &1

What causes this issue?

No structure information can be read from the ABAP Dictionary.

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?

Check in the ABAP Dictionary, whether the structure is in the 'active'
state and if the check reports no errors. An error will also occur if
no texts exist in the logon language.

Error message extract from SAP system. Copyright SAP SE.