The error means Artifactory expects a PostgreSQL database but is set up with a different one. Follow these steps to fix it:
Step 1: Access the System Configuration File (system.yaml) present under $JFROG_HOME/var/etc/ folder
Step 2: Under the database section, enable the below property

Step 3: Save the 'system.yaml' file after making the changes
Step 4: Finally, restart the Artifactory service to apply them.
Step 1: Access the System Configuration File (system.yaml) present under $JFROG_HOME/var/etc/ folder
Step 2: Under the database section, enable the below property
Step 3: Save the 'system.yaml' file after making the changes
Step 4: Finally, restart the Artifactory service to apply them.