A related modifier was already given for the current stream.
#2050 Compile-time error
A related modifier was already given for the current stream.
Additional Information
The modifier is 'X', the stream is 'Y'.
Recovery
Compilation continues but no compiled source code file will be saved.
Explanation
At most one of TEXT-MODE and BINARY-MODE may be specified.
At most one of REFERENTS-ALLOWED, REFERENTS-ARE-DISPLAYED, and
REFERENTS-ARE-ERRORS may be specified.