ORA-3137   from OCI driver when calling a PL/SQL procedure with OUT parameters
Last updated on MAY 19, 2018
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
1. The alert log and the trace file report with the following error
ORA-03137: TTC protocol internal error :        
2. The client is calling a PLSQL procedure with OUT binds
3. The client is OCI (NOT JDBC Thin).
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