EXP-00026: conflicting modes specified

Referencia
http://docs.oracle.com/cd/B10501_01/server.920/a96525/expus.htm

Problema 
maqtst:oratst 16> exp system/manager FILE=clud.dmp tablespaces=PSAPCLUD owner=SAPR3 full=y rows=y

Export: Release 11.2.0.3.0 - Production on Wed Dec 4 10:10:20 2013

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Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
EXP-00026: conflicting modes specified
EXP-00000: Export terminated unsuccessfully

Solução

- Execute o comando sem os parâmetros desnecessários.

exp system/manager FILE=clud.dmp tablespaces=PSAPCLUD