Sqlplus Error 57 Initializing Sql-plus Error Loading Message Shared Library Link Guide
The most frequent cause is a lack of available RAM on the host machine. This prevents SQL*Plus from allocating the memory needed to load shared libraries. Missing or Incorrect Environment Variables: Essential variables like ORACLE_HOME LD_LIBRARY_PATH
SQLPlus Error 57 occurs when the SQLPlus utility fails to load the message shared library, which is required for initializing the SQLPlus environment. The error message typically looks like this: The most frequent cause is a lack of
chmod -R 755 $ORACLE_HOME/lib
ldd $ORACLE_HOME/bin/sqlplus
echo $ORACLE_HOME
Check for multiple Oracle homes