This error could be resolved by following the below mentioned steps:-

1. Try to check-in the key again. Upon opening the “check-in” page, a prompt would pop up.
2. The prompt would request to install the files in the “%\Program Files (x86)\Java\jre\bin” location. In order to install the files, click on the “Yes” button.
3. In case administrator rights are not allowed on the problematic machine, you may receive another prompt. In this case, download the required files and save them in “%\Program Files (x86)\Java\jre\bin” directory on the problematic machine.