can anybody help me with this error,load a file in workspace and ruleviewer

hi ,

can any body pls sort out this error ,i am simulating a power system model for my project but facing this error,pls if you can tell me what is the root cause of it and how i can solve it ,

thanks alot

Error evaluating parameter 'fismatrix' in 'Microgrid/Battery Management System1/ANFIS Controller with Ruleviewer'

Caused by:

• Undefined function or variable 'BMSS1'.
• Variable 'BMSS1' does not exist.

Suggested Actions

Load a file into base workspace.

Fix

Create a new variable.

Fix

Component:Simulink | Category:Model error

Error evaluating parameter 'fismatrix' in 'Microgrid/FC/ANFIS Controller with Ruleviewer'

Caused by:

• Undefined function or variable 'fc'.
• Variable 'fc' does not exist.

Suggested Actions

Load a file into base workspace.

Fix

Create a new variable.

Fix

Component:Simulink | Category:Model error

Error evaluating parameter 'fismatrix' in 'Microgrid/Fuzzy Logic Controller with Ruleviewer'