I have closed the accounting period but still entry are cancelling in closed period. Any body knows how to fix this

1

I have closed the accounting period but still entry are cancelling in closed period. Any body knows how to fix this.

2

After set Accounting Closing then Go > Accounting Setting > set frozen up to date.
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3

@Suresh_Thakor I did the period closing and also did your suggestion. But I can still create and save any transaction/document on the closed month.

Or is the system manager role exempted from this? Which means the system manager can still save anything even though it is already closed?

Thank you in advance.