Oracle Error Message
ORA-39055: The string feature is not supported in version string.
Reason for the Error
The user attempted to use a feature that was not enabled in the database version specified for the current job. Typically, this error occurs if the compatibility level of the database is below the current version of the database or if the user explicitly specifies a version for a Data Pump job.
Solution
Specify the current database version as a version parameter for the the job.