In this blog post, let’s learn about the error message “021 Is a directory.” in Hydra and the description of the error.
Error Message
021 Is a directory.
Error Details
An operating-system error code with the meaning shown was unexpectedly returned to the database server. A file-type operation has been directed to a directory. Some database servers store tables, indexes, and lock files as files with particular suffixes in the database directory. If a directory replaced such a file, this error might result. Look for other operating-system error messages that might give more information.