# \#legacy-deprecation **URL:** https://community.auth0.com/tag/legacy-deprecation/293.md [Latest](https://community.auth0.com/latest.md) · [Categories](https://community.auth0.com/categories.md) · [Tags](https://community.auth0.com/tags.md) --- ## [CORs error with Legacy Lock API disabled even though I am on latest lock](https://community.auth0.com/t/cors-error-with-legacy-lock-api-disabled-even-though-i-am-on-latest-lock/13387)
**Author:** [@chameleon](https://community.auth0.com/u/chameleon)\ **Replies:** 4\ **Last updated:** [July 23, 2018, 1:43pm UTC](https://community.auth0.com/t/cors-error-with-legacy-lock-api-disabled-even-though-i-am-on-latest-lock/13387 "2018-07-23T13:43:58Z")
Just got an error this morning after a year of working flawlessly. Chrome tools reports Response to preflight request doesn’t pass access control check: No ‘Access-Control-Allow-Origin’ header is present on the reques… --- ## [Impact of Universal Hosted page syntax issues on Migration from Legacy Lock API](https://community.auth0.com/t/impact-of-universal-hosted-page-syntax-issues-on-migration-from-legacy-lock-api/13286)
**Author:** [@srinivas](https://community.auth0.com/u/srinivas)\ **Replies:** 0\ **Last updated:** [July 17, 2018, 12:57pm UTC](https://community.auth0.com/t/impact-of-universal-hosted-page-syntax-issues-on-migration-from-legacy-lock-api/13286 "2018-07-17T12:57:02Z")
While we were migrating from Legacy Lock API to universal hosted page route. Once we completed all the migration as per docs we checked the logs there was no depreciation notices. Then as a last step we toggled the legac… --- ## [Support for legacy grant\_types](https://community.auth0.com/t/support-for-legacy-grant-types/7206)
**Author:** [@pavol.duda](https://community.auth0.com/u/pavol.duda)\ **Replies:** 1\ **Last updated:** [June 23, 2017, 3:58pm UTC](https://community.auth0.com/t/support-for-legacy-grant-types/7206 "2017-06-23T15:58:50Z")
We use Auth0 from October 2016. We have attached our application to your system that uses legacy grant\_types (http://auth0.com/oauth/legacy/grant-type/ro). For newly created clients, I found a patch (Application Grant Ty…