Warning displayed in Application instance page: The app was not configured: Non-zero exit status returned by script

Plesk for Windows Plesk for Linux kb: technical

Applicable to:

On the application instance page in Domains > example.com > Applications > exampleApp one of the following warnings is displayed:

Warning: The app was not configured: Non-zero exit status returned by script. Output stream: 'Unable to change current directory to /opt/psa/var/apspackages/7f4861ff-90d4-40b4-bd5f-a215e730ec7e/cache/scripts '. Error stream: 'Unable to change current directory to /opt/psa/var/apspackages/7f4861ff-90d4-40b4-bd5f-a215e730ec7e/cache/scripts '.

Warning: The app was not configured: Non-zero exit status returned by script. Output stream: 'Caught exception: boost::filesystem::directory_iterator::construct: Permission denied: "/usr/local/psa/var/apspackages/7f4861ff-90d4-40b4-bd5f-a215e730ec7e/cache/scripts"

Permissions on the directory /opt/psa/var/apspackages/ were restored as per instructions from article Unable to install APS application: "Unable to change current directory"
There are records in psa.smb_apsInstanceErrors table, linked to the APS instance:

# plesk db -Ne "SELECT id,text FROM smb_apsInstanceErrors WHERE text LIKE '%7f4861ff-90d4-40b4-bd5f-a215e730ec7e%';"
12 4 2017-07-16T23:12:38+02:00 Non-zero exit status returned by script. Output stream: 'Unable to change current directory to /opt/psa/var/apspackages/7f4861ff-90d4-40b4-bd5f-a215e730ec7e/cache/scripts'. Error stream: 'Unable to change current directory to /opt/psa/var/apspackages/7f4861ff-90d4-40b4-bd5f-a215e730ec7e/cache/scripts

Error messages are left over in Plesk database's psa.smb_apsInstanceErrors table.

Connect to the server via SSH or RDP
Create Plesk database backup
Delete the leftover error records from the database using the application ID mentioned in the warning:

# plesk db "DELETE FROM smb_apsInstanceErrors WHERE text LIKE '%7f4861ff-90d4-40b4-bd5f-a215e730ec7e%'"