Mentor graphics daic ....simulation ..error.

[ASHUTOSH RANE]

HI GUYS
i am working in mentor garphics DAIC tool for modelling the switched capacitor resonator LDI Loop for sigma delta adc. actually i want to estimate the opamp specifications for my design using a macro block present in the mentor graphics....actually my problem is while simulating i am getting some error. due to which tool do not invoke EZwave window. Sir i have attached the file from one university which i am following for doing schematic and simulation. I was simulating the simple inverter and RC low pass filter, but the above error occurred. Sir i have followed the correct procedure that is given in first two files viz.DIG_SCH and DIG_SIM. after the schematic i went for simulation (file 2)dig sim. Up to 3rd step it was ok but when i went for 4th step the above error occured I have attached the screen shot for that also , in that the at left bottom the warning is written i tried many time to find about the warning but i failed, So sir please can you give me some suggestions so that i can solve the Problem.
:-D

 

[shrikant_joshi7]

i think there is an error in ur previous schematic for which u hv created the symbol.please check your symbol.