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Stops the code and produces an error message, like the stop() function of the base library, but terminating a timer started with tick, if running.
tick
error(...)
None. geterrmessage() returns the last error message, as a character string.
zero or more objects which can be coerced to character (and which are pasted together with no separator) or a single condition object.
Danail Obreschkow
tick tock progress
tock
progress