The errors "this name already exists." HELP

[cxwoaini]

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typelib dm {84288AAD-BA02-4EF2-85EC-3FAD4D11354D} 1.0
dm.dmsoft aa._create

The error shows "this name already exists."
error point to dm
why ?

[Gintaras]

A function or variable or something exists with this name. Give a different name, for example DM. Or click dm in code and press F2, it will show what is declared with this name.