How To Fix UCFE266 - Value input not possible due to first data entry for year/period &1/&2

SAP Error Message - Details

• Message type: E = Error

• Message class: UCFE - Messages for Data Entry Layouts

• Message number: 266

• Message text: Value input not possible due to first data entry for year/period &1/&2

What causes this issue?

Posting and data entry can be blocked for an
<DS:GLOS.C5DF4F84C681D511B1250008C784EFB1>item</> and a
<DS:GLOS.42EA9908C984D511B1250008C784EFB1>transaction type</>. The data
entry layout must check whether the cell is blocked for the year &V1&
and period &V2& of first data entry.

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 the blocking of posting and data entry of the relevant item and
transaction type, and also the year and period of first data entry for
the consolidation unit.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.