ToThe fix for this on local in sitecorehas been moved for Sitecore 9.33+ (including Sitecore 10). To resolve it now, you have to go hereto:
\App_Config\Include\Spe
and
\App_Config\Include\Spe
and rename Spe.IdentityServer.config.disabled
Spe.IdentityServer.config.disabled
to Spe.IdentityServer.config
Spe.IdentityServer.config