Repeatedly receiving "Cmd error" even with simplest examples

I wonder… Maybe upgrading ESP AT firmware will help?

exactly! That is why your topic got my attention! There was cmd error, then blynk disconnected. I was sure I had the output log saved, but can’t find it now. The ‘cmd skipped’ I had later on, after some messing with code. But only after changing code as above, error(s) had gone