Symptoms
Plesk repair utility launched from Tools & Settings > Diagnose & Repair fails with the following error:
{"id":1,"cmd":"plesk repair installation -y","type":"failed","message":"Reconfiguring the Plesk installation","level":0,"details":"Another instance of bootstrapper is already running. Pleasenwait until it finishes.nIf you are completely sure there is no other instance running,njust remove /var/lock/parallels-panel-bootstrapper-running.locknfile and retry.nNote: running more than one instance at once may badly damagenyour system.n"}
Cause
Plesk Repair Kit extension bug EXTPLESK-2336.
Resolution
As a workaround, run the repair via CLI:
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Connect to the server via SSH
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Launch the repair utility via command-line:
# plesk repair installation