The best thing to do in case you see the error "record in use" or any other error on the mySAPL app is to log out of your account and log back in. To do so:
If that doesn't correct the issue, the next step is to try clearing the cache.
To do so:
You may also need to completely close the app and restart it.
If you need to renew items, and these steps do not fix the problem, please use another method of renewal.