LPS-29358 is reproduced when you upgrade 6.1.2 EE GA2 to 6.1.3 EE GA3
Steps to reproduce at local
1) Run 6.1.2 EE GA2 with a database, eg, lportal
2) Set up 6.1.3 EE GA3 environment and run with a database, lportal which was used for 6.1.2 EE GA2. Database schema is supposed to be upgraded automatically.
3) Access to Liferay and navigate to Control panel, then page shows Not found, The requested resource was not found.