Nivel de Madurez de Implementación BIM

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Fatal error: Uncaught Exception: Unknown column 'NAN' in 'where clause' query: SELECT nivel FROM `bim_parametros` WHERE NAN BETWEEN valor_desde AND valor_hasta AND id_bim=0 in /home/mghvtat5fmw1/public_html/mibim/ajax/lib/MysqliDb.php:1748 Stack trace: #0 /home/mghvtat5fmw1/public_html/mibim/ajax/lib/MysqliDb.php(492): MysqliDb->_prepareQuery() #1 /home/mghvtat5fmw1/public_html/mibim/_functions.php(218): MysqliDb->rawQuery('SELECT nivel FR...') #2 /home/mghvtat5fmw1/public_html/mibim/resultado.php(208): get_nivel_resultado(Object(MysqliDb), 0, NAN) #3 {main} thrown in /home/mghvtat5fmw1/public_html/mibim/ajax/lib/MysqliDb.php on line 1748