Cause: MAX_SGA must be at least 10 Megabytes for proper functioning of Logical Standby. See the solution below.
Error solution: Specify the value of MAX_SGA to be greater than or equal to 10Mb. Alternatively, increase the shared_pool_size/sga_target so that 1/4 of it will amount to 10 Megabytes.
Database version: Oracle 11g Release 2 (11.2)