Oracle Error LFI-00137: Unable to perform string on a file object that is string.

Oracle Error Message

LFI-00137: Unable to perform string on a file object that is string.

Reason for the Error

Unable to perform an LFI operation on a file object for the given reason.

Solution

Take the appropriate corrective measure. For example if a file is supposed to be opened before the operation can be performed, client code will need to open the file first.