Message type: E = Error
Message class:  TU - Billing/Scheduling/Budget Billing 
Message number: 010
Message text: Enter a permissible period length
You have made an incorrect entry in the field for period length. The
period may never be longer than 12 months. The following values are
permitted:
Period length        Period category
1                    Year
1                    Month
2                    Months
3                    Months
4                    Months
6                    Months
12                   Months
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Please make a valid entry.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message TU010, which states "Enter a permissible period length," typically occurs in the context of time-related entries, such as when defining periods for planning, budgeting, or reporting. This error indicates that the period length you have entered is not valid according to the system's configuration or business rules. Causes of TU010 Error Invalid Period Length: The period length you are trying to enter may exceed the maximum allowed length defined in the system settings.
Configuration Issues: The settings in the controlling or financial modules may not be configured to accept the period length you are trying to use. Data Entry Errors: There may be a simple typographical error in the period length you are entering. Business Rules: The business rules defined in the system may restrict the period length based on specific criteria (e.g., fiscal year settings). Solutions to TU010 Error Check Period Length: Verify the period length you are trying to enter. Ensure
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