Attempting to OPEN/REOPEN a stream with a referent which is already in use.
#6069 Run-time catchable error
Attempting to OPEN/REOPEN a stream with a referent which is already in use.
Additional Information
For stream 'X' : For referent 'Y' which is attached to stream
'Z'.
Explanation
A stream can be open ed or reopen ed as a referent
only if the referent is not attached to another open stream.