repc: Unknown output type

1>Reading Qt configuration (C:\Qt\Qt5.11.2\5.11.2\msvc2017_64\bin\qmake.exe)
1>repc RepcOutputType.rep
1> repc: Unknown output type, please use -o option to specify one.
1> Usage: C:\Qt\Qt5.11.2\5.11.2\msvc2017_64\bin\repc.exe [options] [header-file/rep-file] [rep-file/header-file]
1> repc tool v0.1 (Qt 5.11.2).
1> Options:
1> -?, -h, --help Displays this help.
1> -v, --version Displays version information.
1> -i <rep|src> Input file type:
1> rep: replicant template files.
1> src: C++ QObject derived classes.
1> -o <source|replica|merged|rep> Output file type:
1> source: generates source header. Is
1> incompatible with "-i src" option.
1> replica: generates replica header.
1> merged: generates combined replica/source
1> header.
1> rep: generates replicant template file from
1> C++ QOject classes. Is not compatible with "-i
1> rep" option.
1> -I <dir> Add dir to the include path for header files.
1> This parameter is needed only if the input
1> file type is src (.h file).
1> -c Always output `class` type for .rep files and
1> never `POD`.
1> -d Print out parsing debug information (for
1> troubleshooting).
1> Arguments:
1> [header-file/rep-file] Input header/rep file to read from, otherwise
1> stdin.
1> [rep-file/header-file] Output header/rep file to write to, otherwise
1> stdout.
1>RepcOutputType.rep : error 1: repc (C:\Qt\Qt5.11.2\5.11.2\msvc2017_64\bin\repc.exe)