I have faced the below error in Oracle 11gR2 (11.2.0.3) release.

ORA-04031: unable to allocate 3896 bytes of shared memory (“shared pool”,”ALTER

DATABASE CLOSE NORMAL”,”sga heap(1,0)”,”kglsim object batch”)

this error indicates that you need to re-adjust your SGA memory in your database.

To Resolve this problem:

You need to increase the size of the shared_pool_size &  java_pool_size in your init.ora file

Then you need to reboot your database after changing the parameters.

Hope This Helps