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\chapter{Errors You Might Encounter}
\begin{description}

\item[{\bf configurationerror}] setpagedevice request can not be satisfied

\item[{\bf dictfull}] dictionary is full

\item[{\bf dictstackoverflow}] too many \code{begin}s

\item[{\bf dictstackundeflow}] too many \code{end}s

\item[{\bf invalidaccess}] access attribute violated (e.g. attempted to write a read-only object)

\item[{\bf invalidfont}] bad font name or dictionary

\item[{\bf invalidrestore}] the saved state object is too old to restore

\item[{\bf ioerror}] some kind of error during input or output

\item[{\bf limitcheck}] some implementation-dependent size restriction has been exceeded

\item[{\bf nocurrentpoint}] the current point is not defined, yet

\item[{\bf rangecheck}] operand is too big or too small

\item[{\bf stackoverflow}] the stack was full before the last push

\item[{\bf stackunderflow}] you tried to pop from an empty stack

\item[{\bf syntaxerror}] PostScript's syntax has been violated

\item[{\bf typecheck}] operand is of the wrong type

\item[{\bf undefined}] name is not defined in any dictionary on the stack

\item[{\bf undefinedresult}] the result of the last numeric operation is invalid ({\it e.g.}
division by zero)

\item[{\bf VMerror}] virtual memory full
\end{description}
