Please check that there are at least two days before the lockup hits its maturity date. Auto renewal is not applicable for lockups that only have a day before hitting their maturity date.
Here's how to set auto renewal for your lockup.
The image on the left shows a lockup with at least two days before hitting its maturity period. The image on the right shows a lockup with only a day before it hits maturity.
If you need more help, submit a request here.