> Is there any issue with rrdtool-1.9.0? _Originally posted by @VersusBG in [00500ff](https://github.com/phaag/nfsen/commit/00500ff79a87ac2322b3d841a0dad141d0a6107d#r148620644)_ I test it on my pc and didn't see any error with 1.9.0 `if ( $rrd_version >= 1.2 && $rrd_version < 1.99 ) {`
