blocked in integrating micro frontend asset selector with AEM local environment

I have followed all the steps given in the adobe documentation, I am facing issues with the imsToken and api key.

I have provided those credentials from the aem cloud prod environment by creating the project and generating the tokens. After providing the proper tokens and apikey, still I am getting the error like below

I have followed this doecument : https://experienceleague.adobe.com/en/docs/experience-manager-cloud-service/content/assets/manage/asset-selector

can someone help me out on this ?