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In 2001, attempted to set up a solver function built on another solver function and received an "unknown error" message.
Then my jaw dropped when I saw all the other solver in the file fail with the same "unknown error". They used to work flawlessly.
Tried a simple solver in a new file: "unknown error"!
Should I reload MathCad or can it be repaired?
Thanks
Didn't have to reinstall.......closing and restarting MCad cleared the fault. Strange.