An error occurs, while trying to download a technical report via Tools & Settings > Support > Generate Technical Report > download:
Error: Path not found: /usr/local/psa/var/reports/collected/.midRLqzcx
Bug #PPPM-3541. It is fixed in Plesk 12.5 MU #43 and Plesk Onyx.
Install the latest microupdates or upgrade to the latest Plesk version.