Message error: The argument type 'String?' can't be assigned to the parameter type 'String'

Issue

How to fix this? The argument type ‘String?’ can’t be assigned to the parameter type ‘String’.
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Solution

you just need to add ! at the end of each one of your variables, so Uri.base.queryPrameters['token'] becomes Uri.base.queryPrameters['token']!
of course this is assuming that your data is not null, otherwise it would give you a runtime error.

Answered By – tareq albeesh

Answer Checked By – Gilberto Lyons (FlutterFixes Admin)

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