I was cloning a PDB from another PDB when I faced this error: Then I was wondering what shall I do now once the command is “show errors” but replied “No errors.”, and it didn’t give any clear message that was different from “Warning: PDB altered with errors.”. I came to a realization after doing some research and I found that the view pdb_plug_in_violations and found out the reason of the warning and it was because my database has Transparent Data Encryption configured and was missing the keys from the…