getting error

[Altera_Forum]

when i m adding SRAM with sopc then getting error like sram_0.s1 must be connected to avalon MM tristate master what is it,how to get solution.

[Altera_Forum]

You need to have an Avalon Tristate bridge and to connect your SRAM to it.

[Altera_Forum]

please elaborate it. 

  --- Quote Start ---  You need to have an Avalon Tristate bridge and to connect your SRAM to it.  --- Quote End ---  

[Altera_Forum]

Instantiate an Avalon Tristate Bridge. 

Connect the Nios II CPU data and instruction masters to the slave interface of the bridge. Connect the master interface of the bridge to the SRAM component.