VBA intersect function for rows and column

[DocAElstein]

Sounds like there is no range returned by
Intersect(Range("vrech"), Range("col"))
can you upload a workbook example or give a link to a workbook example

( BTW. it will not explain the problem, but you should be doing
Intersect(Range("vrech"), Range("col")).Value = UserForm1.txtdelta.Value
usually VBA "geusses" that you mean that, but to be on the safe side, I personally would not rely on VBA geussing correctly )

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https://www.youtube.com/channel/UCnxwq2aGJRbjOo_MO54oaHA