Database ORA-600 / ORA-7445 Analysis , Diagnostic Repository (ADR) & Packaging (MOSC)

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ORA-27125 after increasing SGA_MAX_SIZE

 
we have a VMS 8.3 running 10.2.0.3 database
There is 10 GB memory on the server with ORA_ORCL_SGA (reserved memory for ORACLE set to 4 GB)

Memory Reservations (pages):       Group    Reserved      In Use        Type
  ORA_ORCL_SGA                    SYSGBL         512           0  Page Table
  ORA_ORCL_SGA                    SYSGBL      524288           0   Allocated
  Total (4.00 GBytes reserved)                524800           0

our SGA_TARGET and SGA_MAX_SIZE was set to 1824M.
We increased SGA_MAX_SIZE to 2800M and SGA_TARGET to 2700M and then shutdown the database
When we tried to startup the database, we got this error

SQL> startup
ORA-27125: unable to create shared memory segment
Additional information: 196


Can you please guide / help us on how to fix this?

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