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Foundation Model Error: Did not detect model port number

Hello,

I wanted to create a new debug connection in ARM DS to the FVP model used by OP-TEE. I have access to ARM DS Silver Edition (2021.2) and imported the Foundation Model used by OP-TEE (CADI Interface, as Foundation Model does not support Iris). When I want to finish the process of adding a new model, the model launches without problems, but ARM DS prints an Error: "Did not detect model port number". I could not find any reference on how to deal with this error, so any help is appreciated.

For reference, this is the FVPconfig used by OP-TEE:

@cd $(FOUNDATION_PATH); \
$(FOUNDATION_PATH)/models/Linux64_GCC-6.4/Foundation_Platform \
--arm-v8.0 \
--cores=4 \
--secure-memory \
--visualization \
--gicv3 \
--data="$(TF_A_PATH)/build/fvp/$(TF_A_BUILD)/bl1.bin"@0x0 \
--data="$(TF_A_PATH)/build/fvp/$(TF_A_BUILD)/fip.bin"@0x8000000 \
--block-device=$(BOOT_IMG)