I am getting below error while trying to connect to a database instance. This happens for Datamaker, Fast Data Masker (FDM), and Subset.
LISTENER REFUSED THE CONNECTION WITH THE FOLLOWING ERROR: ORA-12514, TNS: LISTENER DOES NOT CURRENTLY KNOW OF SERVICE REQUESTED IN CONNECT DESCRIPTOR
To view the cause and resolution of this issue, please go here- https://support.ca.com/us/knowledge-base-articles.TEC1519131.html
Please try the following: