After a job fails, the log information for the failed job entry is missing. The general information on the process is present, but any error messages aren't.
The issue may be caused by a browser related problem. Please review the following suggestions:
1. Attempt to access the logs from an alternate browser.
2. Attempt to access the logs from incognito mode from the browser.
3. Clear browser cache.
4. Disable any plugins installed on the browser.