GL period Oct 18-not closing due to one unposted entry need to be delated or reverse in Oct18

Hi expert,

GL period Oct 18-not closing due to one unposted entry need to be delated or reverse in Oct18

Here one GL unposted entry need to be either delate or can be reverse then can close the period but not getting any such option to delate or can reverse the entry.

This is approved by the manager as per GL approval limit.

Pls advice how I can delated or reverse one unposted approved entry.

Regards,

SAntosh