Oracle Error Message
ORA-16181: SGA specified for Logical Standby is too large
Reason for the Error
MAX_SGA is larger than 75% of the larger of initialization parameters SHARED_POOL_SIZE, MEMORY_TARGET, and SGA_TARGET.
Solution
Specify the value of MAX_SGA to be less than 75% of the maximum of SHARED_POOL_SIZE, MEMORY_TARGET, and SGA_TARGET.