Duplicate stream modifier encountered.
#2022 Compile-time error
Duplicate stream modifier encountered.
Additional Information
The modifier is 'X', the stream is 'Y'.
Recovery
Compilation continues but no compiled source code file will be saved.
Explanation
The '%c' modifiers are 'u', 'l', 's', 'z', and 'h', as they mainly
apply to the processing of PCDATA.