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

UCFE266 - Overview

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCFE266 - Value input not possible due to first data entry for year/period &1/&2 ?

  The SAP error message UCFE266 indicates that a value input is not possible due to the first data entry for a specific year and period. This typically occurs in the context of financial or controlling modules where data entry is restricted for certain periods, especially when they are the first entries for a fiscal year or period.
  
  Cause:
  
  First Data Entry Restriction: The error usually arises when you are trying to enter data for a period that has not been opened for posting. In SAP, the first entry for a new fiscal year or period may require specific configurations or approvals before data can be entered.
  Period Locking: The period may be locked for posting due to settings in the financial or controlling module. This is often done to prevent changes to closed periods or to ensure that all necessary entries are made before the period is officially opened.
  
  Configuration Issues: There may be