550: Open of dsname failed.

Explanation

The data set cannot be opened.

System action

The data set is not sent. FTP continues.

User response

None.

System programmer response

Look at the trace and find the following trace entry sequence:
seq_open_file: Ixy  -> r,recfm=* for dsname
seq_open_file: failed (aa): bbbb
The first line describes I/O mode as Input with mode values x and y that are defined as follows:
x = S --> stream I/O
x = R --> record I/O
 
y = B --> binary stream
y = T --> text stream
The second line describes error that occurred. aa is the errno value returned from the fopen of file. bbbb is the text associated with the errno value. The following list describe values and text that could be observed:
(61): Error trying to define file
The file is already opened.