I have a line of code that has suddenly, after two years, turned on me. It is, simply:

Select 0

It is now sporadically returning a Data type mismatch error.

This is in FPW 2.6; anyone have any ideas? Yes, the 0 is a zero, not an O.

I have a similar strange error with these lines:

If Used('Qpers')
Use in Qpers
Endif

This is also returning a data type mismatch, on the second line.

This is a mature application, and I haven't changed anything in either of these two routines, so it has to be something external that is affecting this.