EDC5086I

Explanation
 The fopen()/freopen() function
was incorrectly invoked specifying write-update, append, or append-update
for a PDS member.

System action
 The fopen()/freopen() function
fails.

Programmer response
 Open a PDS member with open modes: read,
read-update, or write.

Symbolic Feedback Code
 EDC4UU