Fatal error: Uncaught Propel\Runtime\Exception\PropelException: filterByEntity() only accepts arguments of type \Entity or Collection in /home/mediavisionwll/public_html/model/supplier/aibase/Base/AttributeValueVarcharQuery.php:477 Stack trace: #0 /home/mediavisionwll/public_html/model/supplier/aibase/AttributeValueVarcharQuery.php(21): Base\AttributeValueVarcharQuery->filterByEntity(NULL) #1 /home/mediavisionwll/public_html/doctor-profile-attr.php(20): AttributeValueVarcharQuery->getAttrValUsingAttrAndEntity(NULL, Object(Attribute)) #2 /home/mediavisionwll/public_html/doctor-profile.php(15): include_once('/home/mediavisi...') #3 {main} thrown in /home/mediavisionwll/public_html/model/supplier/aibase/Base/AttributeValueVarcharQuery.php on line 477