designbuilder sever error

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Temperature (low) out of bounds for zone=20389 for surface=20389_WALL_5_1_7 *** * ~~~ * This error occurred 1 total times; *** * ~~~ * during Warmup 1 times; *** * ~~~ * during Sizing 1 times. *** * ~~~ * Max=-192.38728 C Min=-192.38728 C

this error has occurred for my geometry. I've checked the constructions and the material but there is nothing wrong with them as far as I know. So what could be the cause of the error?