Hey I new to Oracle and I try to upgrade my theam to Alta in v12
I following this guide https://docs.oracle.com/en/middleware/developer-tools/jet/12/develop/oracle-jet-application-migration-current-release.html#GUID-14A862D8-E84C-4E8B-9BD8-043B05407FFD
and I get the error message in the web console "_ojNeedsES5 is not defined", even if I define it still doesn't work.
How do I solve this?