ORA-39151: Table "DatabaseName"."TableName" exists.

Error
ORA-39151: Table "DatabaseName"."TableName" exists. All dependent metadata and data will be skipped due to table_exists_action of skip

Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

Problem :

1. you might be trying to restore database using IMPDP command and in IMPDP using existing database to restore and used "remap_Table" in your IMPDP command

2. You might try to restore single table using "remap_Table" paramter

Solution:

Use below 3 parameter in your IMPDP command, see below parameter and description

• remap_Table - Specify which table need to map with existing table
• tables - Specify, which particular table need to restore
• table_exists_action - Specify, what should be the action if table already exists, these are of 4 type. {SKIP | APPEND | TRUNCATE | REPLACE}, for more information you can read official website

use below parameter along with the usage, see below:

• remap_Table = OldTableName_InBackup:NewdatabasetableName
• tables = TypeYourTableNameHere
• table_exists_action=Truncate