Error: Failed to run the SQL query.Duplicate column name \'Session_hash\'
Error: Failed to run the SQL query.Duplicate column name \'Required_options\'
Error: Failed to run the SQL query.Duplicate column name \'Form_type\'
Error: Failed to run the SQL query.Duplicate entry \'3\' for key \'PRIMARY\'
Error: Failed to run the SQL query.Duplicate column name \'Class\'
The MySQL dump has corrupt queries; importing the new language has failed.

i have same error how i can fix this please