xrun: *F,FLXDFLT:SPECTRE 19.1 ISR5or older was found. XCELIUM AMS Flex requires SPECTRE 19.1 .ISR6or greater.The Spectre version may be specified using the spectre_path option or provided via the system PATH.To disable AMS Flex add the disable ams flex option.It will not be possible to disable AMD Flex from XCELIUM 21.03s001.