Creation of an item prototype of type dependant item is not possible because LLD macros are not accepted in item Key.

Example:

Cannot update item prototype
Invalid key "K_ACK_report_2_{#PELENV}_

{#MATCH}_2" for item prototype "Kondor_ACK_report_{#PELENV}

_
{#MATCH}

2" on "TMPL_ITCBSOPS_KONDOR": incorrect syntax near "{#PELENV}

{#MATCH}

_2".