You may see the error message below when generating the IOPLL Reconfig Intel® FPGA IP for Intel Stratix® 10 devices when using Intel Quartus® Prime Pro software versions 18.0 or 18.0.1, in the Windows operating system,
Error: PLL_reconfig: no such variable
(read trace on "env(PWD)")
invoked from within
"set cwd $env(PWD)"
(procedure "validation_callback" line 44)
invoked from within
"validation_callback"
This problem is fixed in Intel Quartus Prime Pro software version 18.1.