oracle error- ORA-00042: Unknown Service name string

ORA-00042: Unknown Service name string

Cause:     An attempt was made to use an invalid application service.

Action:     Use a valid service name from SERVICE$ or add a new service using the 

DBMS_SERVICE package.

oracle error - ORA-00082: memory size of string is not in valid set of [1], [2], [4]stringstringstringstringstring

ORA-00082:  memory size of string is not in valid set of [1], [2], [4]stringstringstringstringstring

Cause: An invalid length was specified for the POKE command.

Action: Use a valid length (either 1, 2, 4, or possibly 8).

oracle error- ORA-00057: maximum number of temporary table locks exceeded

ORA-00057:     maximum number of temporary table locks exceeded

Cause:     The number of temporary tables equals or exceeds the number of temporary table locks. 

Temporary tables are often created by large sorts.

Action:     Increase the value of the TEMPORARY_TABLE_LOCKS initialization parameter 

and warm start.