Oracle Message ORA-00847 - MEMORY_TARGET/MEMORY_MAX_TARGET and LOCK_SGA cannot be set together

ERRORMEMORY_TARGET/MEMORY_MAX_TARGET and LOCK_SGA cannot be set together
CAUSEMEMORY_TARGET/MEMORY_MAX_TARGET was set to a non-zero value and LOCK_SGA was also set
ACTIONDo not set MEMORY_TARGET or MEMORY_MAX_TARGET if LOCK_SGA is set to TRUE.