How To Fix G01266 - Changing the period category is not possible

G01266 - Overview

• Message type: E = Error

• Message class: G01 - SAP Consolidation

• Message number: 266

• Message text: Changing the period category is not possible

<LS>&CAUSE&</>
Under <LS>Old Values</> you specified for <LS>Period category:
enterability/validation</> a different value than the one under <LS>New
Values</>. This combination is invalid.

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?

Here is an example of validation for a simple explanation of the
necessary procedure. You can use the same steps for <LS>Rollup cons
unit</> <LS>enterable</> as well.
Choose one of the following scenarios that best fits your situation:
Scenario 1: Assignment of a validation with a new period category
<ZH>Current Situation: No validation is assigned to the cons group</>
Task: Assign the validation <ZH>01-CS01</> for period category <ZH>1
</>
RESET N1
Under <LS>New Values</> for <LS>Period category:
enterability/validation
</>, enter period category <LB>1</>.
Under <LS>New Values</> for Validation Consolidated Values, enter the
validation <LB>01-CS01</>.
Choose <PF>Execute</>.
<ZH>Current Situation: The validation 01-CS01 is assigned to the cons
group with period category 1</>
Task: Assign the validation <ZH>11-CS01</> for period category <ZH>2
</>
RESET N1
Under <LS>Old Values</> for <LS>Period category:
enterability/validation</>, enter period category <LB>2</>.
Under <LS>New Values</> for <LS>Period category:
enterability/validation
</>, enter period category <LB>2</>.
Under <LS>New Values</> for <LS>Validation of Consolidated Values
</>, enter validation <LB>11-CS01</>.
Choose <PF>Execute</>.
Scenario 2: Change of the Validation for an already assigned period
category
<ZH>Current Situation: The validation 01-CS01 is assigned to the cons
group with period category 1</>
Task: Assign the validation <ZH>11-CS01</> for period category <ZH>1
</>
RESET N1
Under <LS>Old Values</> for <LS>Period category:
enterability/validation</>, enter period category <LB>1</>.
Under <LS>New Values</> for <LS>Period category:
enterability/validation</>, enter period category <LB>1</>.
Under <LS>New Values</> for <LS>Validation of Consolidated Values</>,
enter validation <LB>11-CS01</>.
Choose <PF>Execute</>.
Scenario 3: Change of the assigned period category
<ZH>Current Situation: The validation 01-CS01 is assigned to the cons
group with period category 1</>
Task: Assign validation <ZH>01-CS01</> for period category <ZH>2</>
RESET N1
Under <LS>Old Values</> for <LS>Period category:
enterability/validation</>, enter period category <LB>1</>.
Under <LS>New Values</> for <LS>Period category:
enterability/validation</>, select the indicator <LS>Delete old value
</> for parameter <LS>Validation of Consolidated Values</>.
Under <LS>New Values</> for <LS>Validation of Consolidated Values</>,
enter the validation <LB>01-CS01</>.
Choose <PF>Execute</>.
Interim Result: The assignment of validation <ZH>01-CS01</> with period
category <ZH>1</> is deleted for the cons group.
Under <LS>Old Values</> for <LS>Period category:
enterability/validation</>, enter period category <LB>2</>.
Under <LS>New Values</> for <LS>Period category:
enterability/validation</>, enter period category <LB>2</>.
Under <LS>New Values</> for <LS>Validation of Consolidated Values</>,
enter validation <LB>01-CS01</>.
Choose <PF>Execute</>.
Final Result: Validation <LB>01-CS01</> with period category <LB>2</>
is now assigned for the cons group.

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 G01266 - Changing the period category is not possible ?

  The SAP error message G01266, which states "Changing the period category is not possible," typically occurs when there is an attempt to change the period category of a financial period that is already closed or has been used in transactions. This error is common in the context of financial accounting and controlling modules in SAP.
  
  Cause:
  
  Closed Periods: The period you are trying to change is already closed for posting. In SAP, once a financial period is closed, it is generally not allowed to change its characteristics, including the period category.
  Transactions Posted: If there are transactions that have already been posted in that period, changing the period category could lead to inconsistencies in financial reporting.
  Configuration Settings: The system settings may restrict changes to period categories for certain periods based on company policies or configuration settings.
  
  
  Solution:
  
  Check Period Status: Verify if the period you are trying to change is indeed closed. You can do