typecheck error


Some operand's type is different from what an operator expects. This is probably the most frequent error encountered. It is often the result of faulty stack manipulation, such as operands supplied in the wrong order or procedures leaving results on the stack when they are not supposed to.

Certain operators require dictionaries or other composite objects as operands, constructed according to specific rules (for example, pattern dictionaries or user paths). A typecheck error can occur if the contents of such objects are of incorrect type or are otherwise malformed.

Causes:


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