Hy to everyone i'm stuck lets say with same problem in my database.
I can upload one simply db to show u where i have problem.
There is one form, query and report.
On form are two texbox with date picker
one combobox
and one button
and they are connected with query etc. [Forms]![frm_test]![combo_test] - for users
Between [Forms]![frm_test]![datefrom] and [Forms]![frm_test]![dateto]
Button is set up to open query and report docmd.open......
And i have function written to multiply all values from same field called somatske_stanice
But after i add the filters it returns error 3061 to fiew parameters. expected 1.
with no filters it multiplys all values in that field.
Here is simply db.