How can set variable-size signal with a nondiscrete sample time ?

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Sarfaraz Ahmed le 12 Nov 2018

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Modifié(e) : Sarfaraz Ahmed le 12 Nov 2018

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Hi. I am facing some variable-size signal error. here in the (fig 1)attached file when I connect control input2 of switch2 with constant 1 it's running fine. however, when I connect the control input2 of switch 2 (fig2) with another block (which also gives 1 or 0), it show an error that :

The signal at input port 1 of 'ADC_Sign_E_ref_12/Switch2' is a variable-size signal with a nondiscrete sample time. The sample time for any variable-size signal must be discrete.

how can I resolve this error. could anyone please help? Thanks