Oracle error- ORA-00843: Parameter not taking MEMORY_MAX_TARGET into account

Oracle error

ORA-00843: Parameter not taking MEMORY_MAX_TARGET into account

Cause: The parameter was larger than MEMORY_MAX_TARGET.

Action: Check the other error messages for additional information about the parameter. Set the parameter to a lower value than MEMORY_MAX_TARGET.

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ORA-01149: cannot shutdown - file string has online backup set

Oracle error

ORA-01149: cannot shutdown - file string has online backup set

Cause: An attempt to shutdown normally found that an online backup is still in progress.

Action: End the backup of the offending tablespace and retry this command.

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ORA-01148: cannot refresh file size for datafile string

Oracle error

ORA-01148: cannot refresh file size for datafile string

Cause: An operating system or device error occurred when retrieving the file's size. The device on which the file resides may have been offline.

Action: Restore access to the device.

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