BRP_ERR_EXISTING_LAYER

#define BRP_ERR_EXISTING_LAYER   (0x0025u | BRP_ERRGRP_LIB_INVALIDCALL)

The layer is tried to be added to a composite protocol (see brp_add_layer() / brp_set_layer()) although already added earliert.

Or it is tried to be removed (brp_detach_layer()) also not part of the composite protocol.

Definition at line 379 of file errorcodes.h.