If you have followed this guide without success, consider reaching out to Oracle Support with the following diagnostics:
set ORACLE_HOME=C:\oracle\product\10.1.0\Db_1 If you have followed this guide without success,
The most common fix involves checking your environment variables. Oracle Reports relies on these to locate its internal files. If you have followed this guide without success,
There are several reasons that can cause the REP-0001 error: If you have followed this guide without success,
: This is the most common cause. The system cannot find the message files (typically files) because it is looking in the wrong directory. ORACLE_HOME