Using HTMLDB_UTIL in APEX Version 4.2.4 Gives Error ORA-00600 
(Doc ID 1636927.1)
Last updated on AUGUST 21, 2019
Applies to:Oracle Application Express (APEX) - Version 4.2.4 and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
After upgrading to apex 4.2.4 , the following code causes ORA-00600 
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document