Debugging of errors

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I get this recurring error when I run my model. what could be the reason and how do I correct it?

CalcDoe2DXCoil: Coil:Cooling:DX:SingleSpeed="POINT_OF_SALE SZ-CAV COOLING COIL" - Air volume flow rate per watt of rated total cooling capacity is out of range error continues...
*************  **   ~~~   **   This error occurred 290355 total times;
*************  **   ~~~   **   during Warmup 0 times;
*************  **   ~~~   **   during Sizing 0 times.
*************  **   ~~~   **   Max=1.116266E-004  Min=1.056579E-004

thank you,