The approval period in &1 will start at &3

What causes this issue?

You tried to perform an approval of a periodic accrual amount in company
code, accrual type and accounting principle &V1&.

System Response

The date and time interval for performing approvals has not yet started:
You tried to perform the activity at date and time &V2&<(>,<)> but
according to the customizing settings for the
<DS:SIMG.VC_TACEDS_RAIVL>Time Intervals for Review & Approval of per.
Accruals</> for variant &V4& the approval can start as late as at &V3&.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.