YouTube video which provides solutions for the Subscribe to data error for Agilent 7890 GCs If your Agilent 7890 Gas Chromatograph shows Ready in Chromperfect, you start a run, but no chromatogram appears — and after about a minute you see the error “Subscribe to Data” — this guide explains what’s happening and how to fix it. What Causes the Subscribe to data error Agilent 7890 GC Chromperfect This issue is not caused by Chromperfect. In fact, the software successfully sends