title: Unhandled Exception: InternalLinkedHashMap<String, Object>' is not a subtype of type Map<String, String>
body: <p>Refer My code:In dart When I try to assign <strong>value map</strong> in the <strong>params map cleintRequest</strong>  I got this exception, Anybody please guide me</p>
  <pre><code> const Map&lt;String, int&gt; value = {&quot;resourceExpiredHour&quot;: 24};
    final Map&lt;String, dynamic&gt; params = {
      &quot;cname&quot;: '45',
      &quot;uid&quot;: '33232',
      &quot;clientRequest&quot;: value
    };
  </code></pre>