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TNS-00044:

INTCTL: You must have an INTCHG.ORA file to contact the Connection Manager
Cause: There was an attempt to contact a default Connection Manager (Interchange) where there was no INTCHG.ORA present in the correct directory.
Action: Create an INTCHG.ORA file. Make sure it is placed in the correct directory and includes the correct name for the Connection Manager you wish to contact.