Maybe this will work (from your SuiteCRM root directory):
sudo chown -R psacln:psacln .
sudo chmod -R 755 .
sudo chmod -R 775 cache custom modules themes data upload
sudo chmod -R 775 config_override.php 2>/dev/null
Maybe this will work (from your SuiteCRM root directory):
sudo chown -R psacln:psacln .
sudo chmod -R 755 .
sudo chmod -R 775 cache custom modules themes data upload
sudo chmod -R 775 config_override.php 2>/dev/null