Oracle Demantra Platform Upgrade to 12.2.2 Known Issues Worksheet Performance Calendar Excel ORA-017
You are upgrading to Oracle Demantra 12.2.2
When upgrading your Demantra application from an older version directly to 12.2.2 there are some issues of which you need to be aware.
ORA errors, Excel missing cut/paste data, performance issues, Notes, Calendar and other known upgrade issues.
See 12.2.2 known Issues and Repairs in MyOracleSupport note 1602288.1