How to solve Oracle Database Error 18 (ora-00018)

Oracle Error Code
   ora-00018

Description
   maximum number of sessions exceeded

Cause
   All session state objects are in use.
How to Solve
   Increase the value of the SESSIONS initialization parameter.
Posts About Oracle Database Error ORA-00021
Mono:
Wait a few minutes and try to re-execute the statement(s).

Expert:
Shut down your Oracle instance, 
increase the SESSIONS parameter in the initialization parameter file.
And then restart Oracle.


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Similar Errors
  ORA-00001    ORA-00017    ORA-00018    ORA-00019    ORA-00020    ORA-00021  Others

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