Details

This message is generated when compiled evaluation calls uncompiled evaluation and the uncompiled evaluation returns an expression with an unexpected form.
Compiled evaluation calls external (uncompiled) evaluation to compute values for expressions that are not recognized by the compiler.
Off[message] switches off the message; On[message] switches it on. For example: Off[CompiledFunction::ccf].

Examples

A special evaluation rule is associated with a parameter that is computed using uncompiled evaluation:

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