오토캐드 2013 복사-붙이기가 안되네요

회사에서 작업중 캐드 파일 두개를 한개로 합쳐야 하는데 복사 붙여넣기가 안되네요…ㅜㅜ
dxf 파일로 저장했다가 불러오기 해서 하면 된다고 해서 해보는데…
불러오기가 안되네요.
recorver해도 오류가 없다고 나오면서 안되네요..ㅜㅠ

붙여넣기 하면 이렇게 나와요.

_pasteclip Duplicate definition of block _ARCHTICK  ignored.

Duplicate definition of block UPR1  ignored.
Duplicate definition of block CAP  ignored.
Duplicate definition of block COUPLING  ignored.
Duplicate definition of block DPEND1  ignored.
Duplicate definition of block ELEV  ignored.
Duplicate definition of block ELEVINFO  ignored.
Duplicate definition of block ETC  ignored.
Duplicate definition of block HEIGHTZ  ignored.
Duplicate definition of block HITEBOX  ignored.
Duplicate definition of block PEND2  ignored.
Duplicate definition of block PIPESPC  ignored.
Duplicate definition of block REF  ignored.
Duplicate definition of block RISE  ignored.
Duplicate definition of block RISER  ignored.
Duplicate definition of block SECTION  ignored.
Duplicate definition of block SIDE1  ignored.
Duplicate definition of block SIDE4  ignored.
Duplicate definition of block SPRIG1  ignored.
Duplicate definition of block SPRIG2  ignored.
Duplicate definition of block SPRIG3  ignored.
Duplicate definition of block SPRIG4  ignored.
Duplicate definition of block UPR2  ignored.
Duplicate definition of block UPR3  ignored.
Duplicate definition of block vlvbflow  ignored.
Duplicate definition of block spk-calc-pump  ignored.
Duplicate definition of block HEIGHTH  ignored.
Duplicate definition of block vlvbfly  ignored.
Duplicate definition of block SPK-CALC-REFPT-BOX  ignored.
Duplicate definition of block SPK-CALC-SRC  ignored.
Duplicate definition of block SPK-CALC-SRC-FIXED  ignored.
Duplicate definition of block SPK-CALC-NODE  ignored.
Duplicate definition of block vlvother  ignored.
Duplicate definition of block SPK-CALC-JOB  ignored.
Duplicate definition of block SPK-CALC-DA  ignored.
Duplicate definition of block SPK-CALC-HEAD  ignored.
Duplicate definition of block SPK-CALC-RESULTS  ignored.
Duplicate definition of block vlvcheck  ignored.
Duplicate definition of block SPK-CALC-HOSE  ignored.
Duplicate definition of block $HEADS  ignored.
Substituting [simplex.shx] for [COMPLEX].
Substituting [simplex.shx] for [AvantGarde Bk BT].
Substituting [simplex.shx] for [highways.shx].
Substituting [simplex.shx] for [Txt].
Substituting [simplex.shx] for [Txt].
Substituting [simplex.shx] for [AvantGarde Bk BT].
Resolve Xref “X-P1-EXTR”: X-P1-EXTR.dwg
“X-P1-EXTR.dwg” cannot be found.
Resolve Xref “X-P2-PERIMETER”: M:201313609 – Mayfair Village NorthCDX-P2-PERIMETER.dwg
“X-P2-PERIMETER.dwg” cannot be found.

이렇게 뜨면서 복사가 안되네요..ㅠㅠ

영문버전을 써서 영어로 나왔네요..

이유가 뭘까요??ㅠ_ㅜ 알려주세요
파일 첨부하고 싶은데 사이즈가 넘 크네요..ㅜ_ㅠ
원하시면 메일로 보내드릴게요
꼭 알려주시거나 고쳐주세요..ㅠㅠ