type 'Null' is not a subtype of type 'String'
CBEShop - cross border E-commerce shop,multiple merchant multi store online shopping system( https://www.crossborderpower.com)
type 'Null' is not a subtype of type 'String'
or smilar error
type 'String' is not a subtype of type 'int' of 'value'
for i have design map
var _params = { 'id': widget._userOverviewId (int value) , };so the type will be Map<string,int> when add string value to this map , error will show
so declare the
Map<String, dynamic> params not dynamic var
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