Hi there, could some expert assist me in solving the following problem I'm facing?

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unix:/opt/informix>onspaces -d mpe_dbs
WARNING: Dropping a DBspace.
Do you really want to continue? (y/n)y
WARNING! The dbspace you wish to drop has been disabled. There
may be database catalog entries for tables or indices which contain
data in this dbspace. If you complete the drop they will be unusable.
Do you really want to continue? (y/n)y
Cannot drop the Space.
ISAM error: Unexpected internal error
unix:/opt/informix>
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many thanks in advanced.

BlackForest.

Is you dbspace empty