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the wrong : An error occurred when serving your request: No DSP block with ID -1 , how can i solve this problem ,help

Hi @GOAL00

Typically this can happen when you delete the DSP (processing block) and add a new processing block without rechecking the flag for params in the Learn block. If you delete both the DSP block and the Learn block and add them again the flags are added automatically.

Best

Eoin