A disallowed operation on a pre-defined shelf was encountered.

#2091 Compile-time error

A disallowed operation on a pre-defined shelf was encountered.

Additional Information

X 'Y' cannot be used in the current translation type.
    where X is type and Y the name of a pre-defined shelf (one starting with a "#").
    or
The 'X' action cannot be applied to Y 'Z'.
    where X is the name of the action, Y the type of the shelf, and Z its name.

Explanation

Many of the pre-defined shelves are specific to markup document processing, and therefore cannot be used in cross-translations. Also, most of the pre-defined shelves may not be modified explicitly by OmniMark programs.