I am afraid I can not, I have dozens of TeeChart forms, this happens only in one, and as far as I can see, there is nothing different. But the project is both complex and confidential. Surely, as this is a TeeChart defined error code, Steema will know what triggers it, and how to avoid it. PS. just ...

I get an error "Cannot Process Fitting", without any further explanation or comments, forum and google search offer no help.
Any ideas?