I’ve found an error. Shame to admit. In ITEM I had used “_” ("-" signs are prohibited") but in channel definition was “-” sign. Now all works just fine. 
Tahnks for your invaluable support.
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I’ve found an error. Shame to admit. In ITEM I had used “_” ("-" signs are prohibited") but in channel definition was “-” sign. Now all works just fine. Tahnks for your invaluable support.